* One display shows inside humidity and temperature.
* Memory for highest and lowest temperature and humidity.
* 2 key operation: MAX/MIN , RESET
* C / F sliding switch at the back of the instrument.
* Measuring ranger: Temperature : -10℃/14℉~ 60℃/140℉
* Resolution: 0.1℃(0.1℉) , 1%
* Accuracy: Temperature: +/-1.0℃/1.8℉ within 0℃~50℃(32℉~122℉), +/-2.0℃/3.6℉otherwise.
Humidity: +/-5%RH(at 25℃,40%~85%)
* Features for hanging and standing purpose.
* Unit size: 110(L)x70 (W)x20(T)mm
* Display size: up and down is all 34x28mm
* 1.5V AAA(7#) battery enclosed