Digital LCD Thermometer Fridge Temperature Sensor Features:Application: measuring the temperature in refrigerators, iceboxes, lounges, cultivating-houses, greenhouses, aqua-containers, automobiles, etc.Digital thermometer using high- ... environment: Temperature: 0 °C ~ +60 °C; Humidity: 20% ~ 85% Power supply: 1 button battery (LR44, 1.5V) include Digital LCD Thermometer Fridge Temperature Sensor