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:
2x temperature alarm