Digital Hygrometer Indoor Thermometer Temperature Humidity Meter Mini Weather Station Room Thermometer With Touch Back Light Bullet Points: 1High Precision: The range of the digital thermometer and hygrometer is 10%RH to 99%RH with 5%RH tolerance; the temperature range is -4 to 158(-20 to 70), the tolerance is 2( 1C). Suitable for indoor, greenhouse, wine room, baby room, guitar room or office. 2Touch-type Hygrometer: The thermometer and hygrometer has a touch backlight button on the front of the screen, which can easily activate and light up the screen in dark conditions. 3ABS Material: It is wear-resistant, safe, stable, resistant to high and low temperature. 4Ensure Family Health: The digital thermometer hygrometer tracks all-day conditions through high and low records to ensure family health. Manual F/C adjustment can be carried out through the operation button, which can easily meet the different needs of people. 5Long Battery Life: Our indoor thermometer uses 2 AAA batteries (not included), which can keep the thermometer for nearly one year of service life. AAA batteries are easy to buy, and you dont need to replace the batteries frequently. Specifications: Working Environment: -0/+50 Temperature Measurement Range: -20/+70 Tolerance: 1 Humidity Measurement Range: 10%-99% Tolerance:5% (within 30%-70%) Size: about 79x58x24mm/3.1x2.3x9.45inch Net Weight: about 55.4g Gro Weight: about 73g Packing List: Thermometer*1 Instruction Manual*1 Notes: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.