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Specifications
1. Model: A01-3 Pack（White）
2. Humidity resolution: 1%; Accuracy: ±5%RH; Range: 20%RH-99%RH
3. Temperature resolution: 0.1; Accuracy: ±1.8℉(1℃); Range: 14℉ ~ 140℉(-10℃ ~ 60℃)
4. Function: ON/OFF; ℃/℉ Conversion
Usage: Double-click the button on the back to switch ℃/℉, Long press to turn on/ off
5. Dimensions: 1.8in x 1.8in x 0.55in/4.5cm x 4.5cm x 1.4cm； Weight: 0.6oz / 17g
6. Power supply: LR44*1
7. Package contents: Hygrometer x2, LR44 battery x2 (extra spare), Double-sided tape x6.
Usage Tips
1.After initially powering on the device, please allow 15~30 minutes for it to acclimate to the new environment.
2.Error margin of humidity : ±5%；Temperature: ±1.8°F(±1°C). Inconsistent readings in measurements between multiple hygrothermographs within these error margins are normal.
3.If used in extreme environments for a long time, the battery power may decay rapidly and may cause measurement deviations.
4.Double-click the button on the back to switch ℃/℉, Long press to turn on/ off
Upgraded Design of Vents and Power Switch
- Better air flow for better measurement.
- Updated switch is more convenient and durable.
- Double-click the button on the back to switch ℃/℉, Long press to turn on/ off
Mini Size
Dimension：1.8*1.8*0.55 in / 4.5*4.5*1.4 cm
Weight：0.6oz / 17g
Power Supply
Powered by one LR44 battery (installed)
Widely Used
Home, baby room, basement, office, cellar, car, lab, terrarium, greenhouse, Reptile, amphibians, etc.
Small and Portable, Easy to Install
Can be pasted on the wall or glass, or punched and embedded in boxes, barrels, glass jars and other objects.
Installation Tips
- Using double-sided tape
1. Tear off one side of the protective film from the double-sided tape.
2. Attach it to the back of the hygrometer and press firmly for 5 secs. (Ensure not to cover the vents or the button)
3. Tear off the protective film from the other side.
4. Stick the hygrometer to a dry & smooth surface and press firmly for 5 secs.
- For inset installation
Ensure that the thickness at the drilling spot is greater than 0.12~0.16 inches (3~4mm) and that the diameter of the hole is approximately 1.63 inches (41.5mm).
Annie
July 23, 2025
These work very well. I use them outside for porch temp and my porch greenhouse temps. They are true to size, easy to read and they stick tightly in cold, heat and rain, so far. The price is great, too. I would buy them again. They help keepmy plants and flowers happy.
danielmarima
June 12, 2025
I received the hygrometers on time, and in a good condition. They work great.
Melissa
May 26, 2025
Works great. Very accurate.
Customer
May 11, 2025
Because of the products' small size, product is not unnecessarily noticeable. Would love if the instructions were in a larger print.
Whitney Turner
April 28, 2025
I purchased these to use in my jumping spider enclosure. The size is perfect to where I can easily read the measurements, and there was perfect spacing on the back for me to glue on magnets, as I opted for not using the included adhesive strips. They also come with batteries for each, including one extra battery for each, and the easy option to double-click for Celsius or Fahrenheit. Great value.
Maureen K. Fyke
January 14, 2025
Product sucks. Pulled both out of the box, put them side by side on my office desk and they are indicating two completely different temperatures and humidity levels. Seriously think twice before buying this if you want something that’s actually accurate!
Eric Glazer
December 21, 2024
Ordered a three pack, got a 2 pack with batteries for three, not worth the hassle to complain.The company responded quickly and sent a new 3 pack telling me to keep the existing 2 pack. Very good customer service and will recommend their products.
Andrew
November 14, 2024
Small. Easy and great.
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