Digital fridge and freezer thermometer with 2 wireless sensors, large LCD screen and audible alarm. Multifunctional temperature monitoring. Practical digital thermometer for fridge, freezer or outdoor use. Monitors temperature via 2 wireless sensors, displays min/max values over the last 24 hours and alerts with an audible alarm in case of deviation. Wide measuring range & strong signal. Measures temperatures from -40°C to +60°C with an accuracy of ±1°C. Range up to 100 meters (open area), perfect for use in fridge, freezer, wine cellar or outdoors. Easy installation & use. The display has 4 magnets on the back for easy mounting on a refrigerator or other metal surface. Four function buttons make it easy to: Set temperature alarms, Switch between °C/°F, Clear max/min data, Calibrate sensors. User-friendly design. Large LCD screen with clear digits for easy reading. Saves history, provides temperature alerts and protects your food from improper storage. Perfect for home, restaurant, cold room, camping or caravan.