Measurable humidity range: 10%-99%, Humidity measurement accuracy: 5%-10% (at room temperature 25). . Measures 10 seconds, provides the latest and accurate reading. Home humidity temperature monitor: This portable thermometer hygrometer measures indoor humidity and temperature, helps you know the indoor air conditions. The ideal for your personal and professional life Hygrometer Powered by two LR44 button cell (Included), Battery working to 8 months. digital humidity meter -hygrometer is and is commonly used in living room, greenhouse, musical instrument dream, wine cellar, , warehouse, grain storage, baby room, . Mini Digital Hygrometer Thermometer knows the current humidity and temperature, Embedded opening size or fixed with double-sided tape. 1. Indoor temperature and humidity display 2. Order can be displayed in C/F temperature unit 3. Temperature test accuracy: 1.0 4. Temperature sampling period: 10 seconds 5. Relative humidity test range: 20% - 90% 6. Humidity display resolution: 1% 7. Humidity test accuracy: 5% (at room temperature of 25 ) 8. Temperature: - 10-50 (* When the measuring temperature is lower than - 10 , L O is displayed *When the measuring temperature is higher than 50 , H I is displayed) *When the measuring temperature is lower than - 10 , L O is displayed *When the measuring temperature is higher than 50 , H I is displayed *Display resolution: *Display mode: LCD (three and a half digits) *Power consumption: 5mW under working condition *Battery: 2 1.5V LR44 button batteries *Temperature measurement accuracy: 1 . size:47 x 27 x 13mm : plastic colour: black Package Contents: 5 x thermometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.