Wireless Digital Freezer Alarm Thermometer with one main thermometer and a remote sensor. This wireless refrigerator thermometer can display indoor and remote temperatures (fridge/freezer or outdoor) simultaneously, helping you monitor storage conditions and protect food. It also records 24 hour minimum and maximum temperatures for reference. Easy to read LCD Display. The screen clearly shows current indoor and outdoor temperatures. 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. The digital thermometer includes a sound alarm that notifies you when the temperature exceeds the preset minimum or maximum values, enabling timely adjustments. Flexible Mounting Options. Mount the main unit on the refrigerator door using the integrated magnet, hang it on the wall through the hanging hole, or place it on a table using the back bracket. The remote sensor comes with clips and hanging holes for attaching it to a shelf. Typical use scenarios In a kitchen or pantry, place the remote sensor inside the refrigerator or freezer to ensure temperatures stay within safe ranges and prevent food spoilage. In a garage, shed, or outdoor storage area, monitor ambient temperatures to protect beverages, plants, or equipment. In a wine cellar or pantry, use the system to keep track of temperature fluctuations and maintain stable storage conditions.