LED alarm indicator light. Frost point alarm:-1℃～+4℃ (+30.2℉～+39.2℉). highest/lowest outdoor temperature alarm function. 1/2/3/4/5 x temperature alarm. indoor：-10℃～50℃（+14℉～+122℉）. Temperature Range.
This product would be ideal for households with a home freezer or fridge to help monitor temperature and set an alarm.
