.Display Indoor temperaturer and humidity,Outdoor temperature;

.Record the maximum and minimum temperature and humidity;
.Deg C and deg F switch;                              
.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);                     
.Use of the environment:-10~+50C