Specification:

Temperature range: -50 ~ +70`C ( -58 ~ +158`F)
Humidity range: 10%~99%RH
Resolution: temperature: 0.1 `C (0.1`F)， humidity: 1% RH
Accuracy: temperature: +- 1`C (1.8`F)， humidity:+- 3% ~ +- 5%RH (40%~80%)
Power supply: 1.5V (AAA size) x 1
Procudt dimension: 10.6x9.8x22cm(LxWxT)
Weight: Approx. 170g
Storage condition: -20`C~60`C， 20~80%RH

Features:

Display temperature， humidity and time simultaneously
Memory of MAX & MIN measuring value
12-hour / 24-hour displaying system selectable
`C/`F unit selectable
Integral-hour alarm function
Alarm function
Clock & Calendar function (month and date)
Desk-top placing or Wall Hanging

Package included: HTC-8 Thermometer Hygrometer
There are retail box (no battery)