*Display Indoor temperature and humidity, Outdoor temperature; *Record the maximum and minimum temperature and humidity; *Deg. _ and deg _ switch;

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

*Accuracy: +/‐1_,+/‐5%RH; *Time and Alarm

*Battery : 1x 1.5V operation (AAA);

*Figure Size : 110 x 100 x 22 mm