Wireless Digital Freezer Alarm Thermometer with 1 thermometer and remote sensor. It can display indoor and outdoor or refrigerator/freezer temperature simultaneously, providing double protection for food with 24hour minimum and maximum temperature records. Easytoread LCD Display. The unit shows current indoor and outdoor temperatures clearly. Temperature ranges are indoor 10°C to 60°C (14°F to 140°F) and outdoor 40°C to 60°C (40°F to 140°F). Sound Alarm for Temperature Changes. A builtin alarm notifies you when the temperature exceeds the preset minimum or maximum values, helping you monitor changes and take timely action. Flexible Mounting Options. The main unit can be mounted on a refrigerator door using the integrated magnet, hung on the wall via the hanging hole, or placed on a table with the back bracket. The remote sensor includes clips and hanging holes for easy shelf attachment. Use scenarios Home kitchen: monitor the fridge and/or freezer to prevent food spoilage and maintain safe storage conditions. Garage or utility space: keep an eye on a second fridge/freezer or beverage cooler in nonclimatecontrolled areas. Catering or outdoor events: track temperatures during transport or onsite service to ensure compliant food handling.