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 Description: Indoor temperature display range: -9.9 DegreeC-and50 DegreeC and 14 DegreeF-and122 DegreeF Indoor humidity display range: 20 percent RH-95 percent RH Outdoor temperature display range: -40 DegreeC-and60 DegreeC and -40 DegreeF-and140 DegreeF Outdoor humidity display range: 20 percent RH-95 percent RH Temperature display resolution: 0.1 DegreeC and 0.1 DegreeF Humidity display resolution: 1 percent RH Size: 152x95.5x22MM, Transmitter: 50x105x26MM Power supply mode: host 3xAAA three No. 7 batteries, transmitter 2xAAA two No. 7 batteries (Not include batteries) Packing list: hostx1andtransmitterx1andmanualx1 Package List: 1 Set Indoor Digital Hygrometer Thermometers Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.