Specifications: Multi-function, low power consumption, high stability & accuracy. Functions: LCD display Display temperature, humidity and for time simultaneously Low power consumption and high stability & accuracy Memory of MAX & MIN measuring value 12 / 24 hour format Centidegree /Fahrenheit selectable Integral-hour alarm function Alarm function Clock & Calendar function (month and date) Desk-top placing or Wall Hanging Type: Thermometer Material: ABS Backlight: No Mian Color: green+white Text Color: Black Temperature Range: -50C ~ +70C ( -58F ~ +158F ) Humidity Range: 10% ~ 99% RH Temperature Accuracy: 1C (1.8F) Temperature Resolution: 0.1C (0.2F) Humidity Accuracy: 5% RH (40% ~ 80%) Power Supply: 1 x AAA 1.5V (Battery is not included.) Size: 102mm x 93mm x 22mm/4.13" x 3.86" x 0.79" (Approx.) Package Includes: 1 x Humidity Thermometer (Battery is not included.) 1 x User Manual