Magnetic and easy to install This small magnetic freezer sensor attaches to your refrigerator or freezer with no tools or complicated setup required, making installation quick and hassle. Continuous temperature monitoring Keeps track of the temperature inside your fridge or freezer to help keep food safe and fresh. The sensor provides continuous monitoring and notifies you if the temperature moves outside the safe range. Freezer temperature alarm Builtin alarm sounds when the freezer temperature is too or too low, giving you immediate notice to protect stored food and reduce the risk of spoilage. Energysaving design Features adjustable settings to optimize energy use by maintaining the ideal freezer temperature, helping you reduce electricity costs over time. Key attributes Function: temperature monitoring with alerting for fridge and freezer use Compatibility: suitable for standard refrigerators and freezers; attaches to metal surfaces via magnet Size: compact, unobtrusive sensor Material: magnetic mounting for secure attachment Performance: realtime temperature monitoring and audible alarms for outofrange conditions Use scenarios Home kitchen fridge: place on a standard household refrigerator to monitor perishable items and receive alerts if the temperature drifts, helping prevent spoilage. Garage or basement freezer: mount on a freezer in a workshop or utility area to detect temperature swings due to door openings or power issues, reducing spoilage risk. Small living spaces or portable setups: ideal for dorms, apartments, or RVs where a compact, tool sensor provides reliable temperature monitoring without clutter or complex installation.