Features:
* indoor & outdoor temperature display
* highest/lowest outdoor temperature alarm function
*Frost point alarm:-1℃～+4℃ (+30.2℉～+39.2℉)
* Memorized MAX/MIN values of indoor/outdoor temperature
* temperature unit℃/℉changeable
* LED alarm indicator light
Temperature Range:
      indoor：-10℃～50℃（+14℉～+122℉）
      outdoor：-50℃～+70℃(-58℉～+158℉)
Product Dimension: 65×59×18mm
Power-supply: 1.5V(AG13)×1
 
Package:
1x temperature alarm