Features:
* indoor&outdoortemperature display,（automatic switch display in 5 seconds ）
*indoor humidity display
* temperature unit ℃/℉ changeable
* memory of MAX/MIN value of temperature & humidity
* 2 modes of time display: 12h / 24h
* pointing function on each hour
* everyday alarm function
* calendar display function
* week display function
* clock & date display function (automatic switch display in 5 seconds)
Temperature Range:
indoor -10℃～+50℃ (+14℉～+122℉)
outdoor -50℃～+70℃ (-58℉～+158℉)
Humidity Range: indoor 20%RH～90%RH
Product Dimension:90×58×15mm
Power-supply: 1.5V (AG 13) x1