Feature Function: Use this scale thermometers to measure indoor or outdoor temperature and humidity Backlit LCD Information Display: The room thermometers displays temperature and humidity in real time or; Its backlit design helps to read the records easily even in dim light; This humidity meter is designed with large screen, you can use it to learn time, room temeprature and humidity. Made of superior material, the digital clock is durable and long lasting, is abrasion resistant and not easy to break. You can use it at many places, such as office, home, school, hotel room etc. Notice: Actual color may be slightly different from the image due to different light effect Please allow 1-3cm deviation due to manual measurement Indoor temperature display range: -9.9°C50°C 14°F122°F Indoor humidity display range: 20RH95RH Outdoor temperature display range: -40°C60°C -40°F140°F Outdoor humidity display range: 20RH95RH Temperature display resolution: 0.1°C 0.1°F Humidity display resolution: 1RH Size: 152*95.5*22MM, Transmitter: 50*105*26MM Power supply mode: host 3*AAA three No. 7 batteries, transmitter 2*AAA two No. 7 batteries Not include batteries Packing list: host*1transmitter*1manual*1 Package List: 1 Set Indoor Digital Hygrometer Thermometers