Wireless Digital Freezer Alarm Thermometer Includes a main unit with an integrated thermometer and a remote sensor. It can display indoor temperature and a second reading from either a refrigerator/freezer or outdoor sensor at the same time. It provides 24hour minimum and maximum temperature records to help you monitor changes. Temperature Alarm The device features a sound alarm that activates when the temperature exceeds the preset minimum or maximum values, helping you respond quickly to temperature changes and protect stored items. EasytoRead LCD Display Shows current indoor and outdoor temperatures. Indoor range is 10C to 60C (14F to 140F); outdoor range is 40C to 60C (40F to 140F). The display is clear and provides accurate readings. Multiple Mounting Options Use the integrated magnet to attach to a refrigerator door, hang on a wall via the hanging hole, or place on a table with the bracket on the back. The two transmitters come with clips and hanging holes for easy installation on a shelf. Use scenarios Home kitchen: Monitor fridge and freezer temperatures to prevent spoilage and know when adjustments are needed. Garage or outdoor storage: Track temperatures for an extra fridge or freezer, or a beverage cooler, to ensure safe storage. Small office or : Maintain a compact display fridge within safe temperature range to protect perishable items.