Electronic Thermometer LCD Digital Temperature Tester Wireless Thermometer Hygrometer Humidity Description: and The indoor temperature and humidity display Time Display C / F temperature switch display Maximum and minimum temperature memory function. Also showed record time 12 / 24 hour clock The daily alarm function comfort display   Specification: Temperature measurement range: -10 C - 50 C (+ 14 F - + 122 F) Humidity measuring range: 20% RH - 90% RH Outdoor temperature: -50C to +70C (-58F to  +194F) Indoor Humidity: 20%RH  to 90%RH Dimensions: 82 X 70 X 20mm Battery: LR44 button battery X 1(Not Included) Main Color:White(As The Picture Shows) Attention: Size may be slight inaccuracy due to different batches of the products, or hand measurement. Color may be little different due to monitors. Please take real product as standard, thanks for your understanding!     Package Includes: 1 x Digital LCD Thermometer Hygrometer 1 x English User Manual