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SMARTDEVIL 2.02.01.0077-5 Review | 43 Data compared

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  • Avg. price in UK: ~£20
  • Avg. price in US: ~$20
  • Humidification rate: ?
  • Maximum room area: 10 m²
  • Water tank capacity: 0.5 L
  • Maximum operating time: 2 hours
  • Maximum noise level: 26 dB

SMARTDEVIL 2.02.01.0077-5 review. Compare 43 technical specifications and user reviews to see how this product ranks in the Humidifiers category and whether it is worth buying.

5.5

Overall score

What it is: An overall evaluation of products in the Humidifiers category, based on technical analysis and user reviews.

When it matters: When you need a quick reference for identifying the best products in the Humidifiers category.

Score components:

80.0%

5.1

Technical Score

20.0%

6.8

User score

Good
5.1

Technical Score

What it is: An assessment of technical performance for products in the Humidifiers category across these key areas: Performance, Features, Design.

When it matters: When you want to compare products in the Humidifiers category by technical performance, specifications, and available features.

Score components:

45.0%

3.5

Performance

40.0%

6.0

Features

15.0%

7.7

Design

Good
6.8

User score

What it is: A rating that combines user reviews with the total review volume for products in the Humidifiers category.

When it matters: When you want to know how products in the Humidifiers category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

7.0

User reviews

30.0%

6.2

Popularity

User score:
United Kingdom
amazon
3.5
(732)
United States
Amazon_logo.png
3.4
(702)

(Reviews last updated: August 2026)

Good
  • 6.6
    Bedroom use

    Score components:

    35.0%

    10

    Maximum noise level

    25.0%

    1.0

    Maximum operating time

    20.0%

    4.0

    Timer

    20.0%

    10

    Automatic low-water shut-off

  • 3.8
    Large rooms

    Score components:

    35.0%

    ?

    Humidification rate

    30.0%

    1.0

    Maximum room area

    25.0%

    1.3

    Water tank capacity

    10.0%

    4.0

    Hygrostat

  • 4.3
    Plant care

    Score components:

    30.0%

    4.0

    Hygrostat

    25.0%

    ?

    Humidification rate

    25.0%

    1.3

    Water tank capacity

    20.0%

    4.0

    360° nozzle

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Best prices in UK

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The SMARTDEVIL 500ml mini portable ultrasonic humidifier operates via a DC 5V USB connection drawing 2W of power, and features an output rating of 30-60mL/h of cool mist across continuous and intermittent spray modes. Key advantages include an automated probe-based low-water shut-off safety sensor, a integrated dual-mode LED nightlight (constant or breathing), and whisper-quiet operation below 28dB suitable for small office desks, bedrooms, or travel. However, notable drawbacks include its restriction against using distilled or bottled water—requiring strictly clean tap water to avoid mist-outlet accumulation—an inability to handle direct essential oils in the water tank due to clogging, and reports of fragile internal filter springs that disrupt performance if lost.

Technical Specifications of humidifier SMARTDEVIL 2.02.01.0077-5

Technical Score

What it is: An assessment of technical performance for products in the Humidifiers category across these key areas: Performance, Features, Design.

When it matters: When you want to compare products in the Humidifiers category by technical performance, specifications, and available features.

Score components:

45.0%

3.5

Performance

40.0%

6.0

Features

15.0%

7.7

Design

5.1
SMARTDEVIL 2.02.01.0077-5 has a technical score of 5.14 points, which is lower than 92.6% of products in this category.
User score

What it is: A rating that combines user reviews with the total review volume for products in the Humidifiers category.

When it matters: When you want to know how products in the Humidifiers category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

7.0

User reviews

30.0%

6.2

Popularity

User score:
United Kingdom
amazon
3.5
(732)
United States
Amazon_logo.png
3.4
(702)

(Reviews last updated: August 2026)

6.8
SMARTDEVIL 2.02.01.0077-5 has a user score of 6.76 points, which is lower than 79.2% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by products in the Humidifiers category.
When it matters: When you prefer products in the Humidifiers category that have been chosen and reviewed by many other buyers.
6.2
SMARTDEVIL 2.02.01.0077-5 has a popularity of 6.2 points, which is higher than 51% of products in this category.
Ratio quality/price

What it is: An indicator that combines the overall score of products in the Humidifiers category with their prices.

When it matters: When you are comparing products in the Humidifiers category and want a good balance between quality and price.

Score components:

60.0%

5.5

Overall score

40.0%

10

Price

6.8
SMARTDEVIL 2.02.01.0077-5 has a quality-to-price ratio of 6.8 points, which is lower than 89.9% of products in this category.
Technology
What it is: The method the humidifier uses to turn water into moisture for the room.
When it matters: Technology affects mist temperature, visible output, maintenance needs, and sensitivity to minerals in the water.

Importance: LOW

ultrasonic
Humidification rate
What it is: The maximum amount of water the humidifier can release into the air per hour.
When it matters: A higher rate raises room humidity faster and is more useful in dry or larger spaces.

Importance: HIGH

Good value: At least 300 ml/h

?
Maximum room area
What it is: The largest room floor area the humidifier is recommended to cover.
When it matters: A larger coverage rating is important for open-plan spaces and larger bedrooms or living rooms.

Importance: HIGH

Good value: At least 40 m²

10 m²
SMARTDEVIL 2.02.01.0077-5 covers rooms up to 10 m², which is smaller than that of 94.4% of humidifiers and equal to that of 5.6% of humidifiers.
Water tank capacity
What it is: The usable amount of water the humidifier’s reservoir can hold.
When it matters: A larger tank generally needs fewer refills and can support longer operation between top-ups.

Importance: HIGH

Good value: At least 4 L

0.5 L
SMARTDEVIL 2.02.01.0077-5 has a water tank capacity of 0.5 L, which is smaller than that of 81.2% of humidifiers and equal to that of 6.7% of humidifiers.
Maximum operating time
What it is: The longest stated operating time from one full water tank.
When it matters: Longer runtime means fewer refills during overnight use or extended daily operation.

Importance: HIGH

Good value: At least 24 hours

2 hours
SMARTDEVIL 2.02.01.0077-5 runs for up to 2 hours on a single fill, which is shorter than 100% of humidifiers.
Show more
Warm mist function
What it is: Indicates whether the humidifier can produce warm mist as well as cool mist.
When it matters: Useful when you want warmer output in cool weather instead of cool mist alone.

Importance: HIGH

Good value: yes

no
SMARTDEVIL 2.02.01.0077-5 does not offer a warm-mist option. A warm-mist option is present in 26.2% of humidifiers.
Aromatherapy support
What it is: Indicates whether the humidifier supports the safe use of aromatic oils or fragrance media.
When it matters: Useful if you want to add fragrance without putting oil directly into the water tank.

Importance: MEDIUM

Good value: yes

yes
SMARTDEVIL 2.02.01.0077-5 supports aromatherapy. Aromatherapy support is available in 73.8% of humidifiers.
Dedicated aroma compartment
What it is: Indicates whether the humidifier has a separate compartment for aroma pads or essential oils.
When it matters: A dedicated compartment keeps fragrance media separate from the main water tank.

Importance: LOW

Good value: yes

yes
SMARTDEVIL 2.02.01.0077-5 includes a dedicated aroma compartment. A dedicated aroma compartment is present in 48.3% of humidifiers.
Automatic low-water shut-off
What it is: Indicates whether the humidifier switches itself off when the water level becomes too low.
When it matters: This safety feature helps prevent the unit from continuing to run with an empty tank.

Importance: HIGH

Good value: yes

yes
SMARTDEVIL 2.02.01.0077-5 shuts off automatically when water runs low. Automatic low-water shut-off is available in 99.3% of humidifiers.
Water level indicator
What it is: Indicates whether the humidifier shows the amount of water remaining in its tank.
When it matters: A visible level indicator makes it easier to know when the tank needs refilling.

Importance: MEDIUM

Good value: yes

yes
SMARTDEVIL 2.02.01.0077-5 includes a water-level indicator. A water-level indicator is present in 83.9% of humidifiers.
Show more
Fill type
What it is: The design mechanism used to add water to the humidifier tank, distinguished primarily between convenient top-fill and inverted bottom-fill designs.
When it matters: Top-fill humidifiers let you pour water directly into the top with a pitcher without carrying a heavy, dripping tank to the tap.

Importance: LOW

top fill
Color
What it is: The primary exterior color of the humidifier.
When it matters: Color matters when you want the humidifier to blend with the room.

Importance: LOW

white
Material
What it is: The primary material used for the humidifier’s exterior housing.
When it matters: Material matters for durability, feel and appearance.

Importance: LOW

plastic
360° nozzle
What it is: Whether the humidifier has a nozzle that rotates through 360° to direct the mist.
When it matters: A rotating nozzle helps redirect mist without moving the humidifier.

Importance: LOW

Good value: yes

no
SMARTDEVIL 2.02.01.0077-5 does not have a 360° nozzle. A 360° nozzle is included in 58.4% of humidifiers.
Display
What it is: Whether the humidifier has a display for settings and status information.
When it matters: A display makes humidity, mode and timer information easier to check.

Importance: LOW

Good value: yes

no
SMARTDEVIL 2.02.01.0077-5 does not have a display. A display is included in 44.3% of humidifiers.
Show more

SMARTDEVIL 2.02.01.0077-5 vs the average humidifier

  • 7.1 dB lower maximum noise
    SMARTDEVIL 2.02.01.0077-5 is quieter at maximum output than the average humidifier (26 dB vs 33.1 dB).
    What it is: The highest stated operating sound level across normal humidification modes.
    When it matters: A lower maximum noise level is better for bedrooms, nurseries, calls, and light sleepers.

    Importance: HIGH

    Good value: Up to 35 dB

    SMARTDEVIL 2.02.01.0077-5 is quieter at maximum output than the average humidifier (26 dB vs 33.1 dB).26 dB vs 33.1 dB
  • 86.5% lighter
    SMARTDEVIL 2.02.01.0077-5 is lighter than the average humidifier (0.2 kg vs 1.48 kg).
    What it is: The humidifier’s weight without packaging.
    When it matters: A lighter humidifier is easier to move for refilling, cleaning or storage.

    Importance: MEDIUM

    Good value: Up to 1.5 kg

    SMARTDEVIL 2.02.01.0077-5 is lighter than the average humidifier (0.2 kg vs 1.48 kg).0.2 kg vs 1.48 kg
  • 22.5 W lower power draw
    SMARTDEVIL 2.02.01.0077-5 draws less power than the average humidifier (1.5 W vs 24 W).
    What it is: The humidifier’s maximum rated electrical power draw.
    When it matters: Lower power draw can reduce electricity use, especially when the humidifier runs for many hours each day.

    Importance: MEDIUM

    Good value: Up to 25 W

    SMARTDEVIL 2.02.01.0077-5 draws less power than the average humidifier (1.5 W vs 24 W).1.5 W vs 24 W
  • 9.86 cm narrower body
    SMARTDEVIL 2.02.01.0077-5 has a narrower body than the average humidifier (9.7 cm vs 19.555 cm).
    What it is: The humidifier’s side-to-side width.
    When it matters: A narrower humidifier takes up less space on a bedside table, desk or shelf.

    Importance: MEDIUM

    Good value: Up to 20 cm

    SMARTDEVIL 2.02.01.0077-5 has a narrower body than the average humidifier (9.7 cm vs 19.555 cm).9.7 cm vs 19.555 cm
  • 8.55 cm shallower body
    SMARTDEVIL 2.02.01.0077-5 has a shallower depth than the average humidifier (9.7 cm vs 18.25 cm).
    What it is: The humidifier’s front-to-back depth.
    When it matters: A shallower humidifier needs less usable surface depth on a table or shelf.

    Importance: MEDIUM

    Good value: Up to 20 cm

    SMARTDEVIL 2.02.01.0077-5 has a shallower depth than the average humidifier (9.7 cm vs 18.25 cm).9.7 cm vs 18.25 cm
  • Dedicated aroma compartment
    SMARTDEVIL 2.02.01.0077-5 includes a dedicated aroma compartment; the average humidifier does not include a dedicated aroma compartment.
    What it is: Indicates whether the humidifier has a separate compartment for aroma pads or essential oils.
    When it matters: A dedicated compartment keeps fragrance media separate from the main water tank.

    Importance: LOW

    Good value: yes

    SMARTDEVIL 2.02.01.0077-5 includes a dedicated aroma compartment; the average humidifier does not include a dedicated aroma compartment.
  • 13.38 cm shorter body
    SMARTDEVIL 2.02.01.0077-5 has a lower profile than the average humidifier (15.6 cm vs 28.98 cm).
    What it is: The humidifier’s total height from its base to its highest point.
    When it matters: A shorter humidifier fits more easily beneath shelves and in low spaces.

    Importance: LOW

    Good value: Up to 25 cm

    SMARTDEVIL 2.02.01.0077-5 has a lower profile than the average humidifier (15.6 cm vs 28.98 cm).15.6 cm vs 28.98 cm
  • 75% cheaper
    SMARTDEVIL 2.02.01.0077-5 is cheaper than the average humidifier (£20 vs £35).
    SMARTDEVIL 2.02.01.0077-5 is cheaper than the average humidifier (£20 vs £35).£20 vs £35
  • 7.1 dB lower maximum noise
    SMARTDEVIL 2.02.01.0077-5 is quieter at maximum output than the average humidifier (26 dB vs 33.1 dB).
  • 22.5 W lower power draw
    SMARTDEVIL 2.02.01.0077-5 draws less power than the average humidifier (1.5 W vs 24 W).
  • Dedicated aroma compartment
    SMARTDEVIL 2.02.01.0077-5 includes a dedicated aroma compartment; the average humidifier does not include a dedicated aroma compartment.
  • 86.5% lighter
    SMARTDEVIL 2.02.01.0077-5 is lighter than the average humidifier (0.2 kg vs 1.48 kg).
  • 9.86 cm narrower body
    SMARTDEVIL 2.02.01.0077-5 has a narrower body than the average humidifier (9.7 cm vs 19.555 cm).
  • 8.55 cm shallower body
    SMARTDEVIL 2.02.01.0077-5 has a shallower depth than the average humidifier (9.7 cm vs 18.25 cm).
  • 13.38 cm shorter body
    SMARTDEVIL 2.02.01.0077-5 has a lower profile than the average humidifier (15.6 cm vs 28.98 cm).

Total
Overall
Performance
Features
Design
  • 21 m² less room coverage
    SMARTDEVIL 2.02.01.0077-5 covers smaller rooms than the average humidifier (10 m² vs 31 m²).
  • 2.85 L smaller water tank
    SMARTDEVIL 2.02.01.0077-5 has a smaller water tank than the average humidifier (0.5 L vs 3.35 L).
  • 22 hours shorter runtime
    SMARTDEVIL 2.02.01.0077-5 runs for a shorter time than the average humidifier (2 hours vs 24 hours).
  • 2 levels less mist control
    SMARTDEVIL 2.02.01.0077-5 offers fewer mist adjustment levels than the average humidifier (1 levels vs 3 levels).
  • No timer
    SMARTDEVIL 2.02.01.0077-5 does not include a programmable timer; the average humidifier includes a programmable timer.
  • No continuous mode
    SMARTDEVIL 2.02.01.0077-5 does not offer continuous humidification; the average humidifier offers continuous humidification.
  • No 360° nozzle
    SMARTDEVIL 2.02.01.0077-5 does not have a 360° nozzle; the average humidifier has a 360° nozzle.
  • 0.51 m shorter power cable
    SMARTDEVIL 2.02.01.0077-5 has a shorter power cable than the average humidifier (1 m vs 1.51 m).
  • 21 m² less room coverage
    SMARTDEVIL 2.02.01.0077-5 covers smaller rooms than the average humidifier (10 m² vs 31 m²).
    What it is: The largest room floor area the humidifier is recommended to cover.
    When it matters: A larger coverage rating is important for open-plan spaces and larger bedrooms or living rooms.

    Importance: HIGH

    Good value: At least 40 m²

    SMARTDEVIL 2.02.01.0077-5 covers smaller rooms than the average humidifier (10 m² vs 31 m²).10 m² vs 31 m²
  • No timer
    SMARTDEVIL 2.02.01.0077-5 does not include a programmable timer; the average humidifier includes a programmable timer.
    What it is: Indicates whether the humidifier includes a timer for scheduled operation or shut-off.
    When it matters: A timer helps you limit overnight runtime or arrange operation around your routine.

    Importance: HIGH

    Good value: yes

    SMARTDEVIL 2.02.01.0077-5 does not include a programmable timer; the average humidifier includes a programmable timer.
  • 2.85 L smaller water tank
    SMARTDEVIL 2.02.01.0077-5 has a smaller water tank than the average humidifier (0.5 L vs 3.35 L).
    What it is: The usable amount of water the humidifier’s reservoir can hold.
    When it matters: A larger tank generally needs fewer refills and can support longer operation between top-ups.

    Importance: HIGH

    Good value: At least 4 L

    SMARTDEVIL 2.02.01.0077-5 has a smaller water tank than the average humidifier (0.5 L vs 3.35 L).0.5 L vs 3.35 L
  • 22 hours shorter runtime
    SMARTDEVIL 2.02.01.0077-5 runs for a shorter time than the average humidifier (2 hours vs 24 hours).
    What it is: The longest stated operating time from one full water tank.
    When it matters: Longer runtime means fewer refills during overnight use or extended daily operation.

    Importance: HIGH

    Good value: At least 24 hours

    SMARTDEVIL 2.02.01.0077-5 runs for a shorter time than the average humidifier (2 hours vs 24 hours).2 hours vs 24 hours
  • 2 levels less mist control
    SMARTDEVIL 2.02.01.0077-5 offers fewer mist adjustment levels than the average humidifier (1 levels vs 3 levels).
    What it is: The number of manually selectable mist-output levels.
    When it matters: More levels provide finer control over moisture output, noise, and water use.

    Importance: MEDIUM

    Good value: At least 3 levels

    SMARTDEVIL 2.02.01.0077-5 offers fewer mist adjustment levels than the average humidifier (1 levels vs 3 levels).1 levels vs 3 levels
  • No continuous mode
    SMARTDEVIL 2.02.01.0077-5 does not offer continuous humidification; the average humidifier offers continuous humidification.
    What it is: Indicates whether the humidifier can maintain continuous mist output rather than cycling to a humidity target.
    When it matters: Continuous operation is useful when you want steady output without automatic humidity-based pauses.

    Importance: MEDIUM

    Good value: yes

    SMARTDEVIL 2.02.01.0077-5 does not offer continuous humidification; the average humidifier offers continuous humidification.
  • No 360° nozzle
    SMARTDEVIL 2.02.01.0077-5 does not have a 360° nozzle; the average humidifier has a 360° nozzle.
    What it is: Whether the humidifier has a nozzle that rotates through 360° to direct the mist.
    When it matters: A rotating nozzle helps redirect mist without moving the humidifier.

    Importance: LOW

    Good value: yes

    SMARTDEVIL 2.02.01.0077-5 does not have a 360° nozzle; the average humidifier has a 360° nozzle.
  • 0.51 m shorter power cable
    SMARTDEVIL 2.02.01.0077-5 has a shorter power cable than the average humidifier (1 m vs 1.51 m).
    What it is: The usable length of the humidifier’s power cable.
    When it matters: A longer cable offers more freedom to place the humidifier away from a wall socket.

    Importance: LOW

    Good value: At least 1.5 m

    SMARTDEVIL 2.02.01.0077-5 has a shorter power cable than the average humidifier (1 m vs 1.51 m).1 m vs 1.51 m
Total
Overall
Performance
Features
Design

Graphic comparison of SMARTDEVIL 2.02.01.0077-5 and other products in the Humidifiers category

Attribute category
Attribute
No results found

Third-party reviews

United Kingdom
amazon
3.5
732 Reviews
United States
Amazon_logo.png
3.4
702 Reviews

(Reviews last updated: August 2026)

What customers like about SMARTDEVIL 2.02.01.0077-5?

  • Very quiet operation (operates around 26dB, making it ideal for bedrooms and workspaces)
  • Strong, large spray volume that effectively moisturizes dry air and benefits houseplants
  • Auto shut-off feature activates when water levels get too low, preventing safety hazards
  • Offers both continuous and intermittent spray modes for flexibility
  • Built-in night light with constant and colorful options for ambiance
  • Includes a pad for essential oils, doubling as an aroma diffuser

What customers dislike about SMARTDEVIL 2.02.01.0077-5?

  • Requires filter swabs to be replaced periodically and fully soaked before first use
  • Not suitable for large rooms; strictly a personal or small desk humidifier
  • Frequent refilling is required if running on the continuous spray mode

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