Yuyao Shuanghe Electron Instrument Co.,Ltd.

*Display Indoor temperaturer and humidity,Outdoor temperature;
*Record the maximum and minimum temperature and humidity;
*Deg C and deg F switch;                           

*Freeze from -1C to +4C;
*Temperature measure range:
                      Indoor:-10~+50C(+14~+122F)
                      Outdoor:-50~+70C(-58~+158F)
*Humidity measure range:20~99%RH;    

 *Accuracy: +/-1C,+/-5%RH;
*1.5V operate(AAA);