<p>Smart 3-Way Alerts &amp; Remote Temperature Monitoring：Get instant app notifications, email alerts, and buzzer alarms when temperatures exceed your preset range, with 24/7 remote monitoring for complete protection.</p> <p>High-Precision Temperature Sensor：Features an ultra-sensitive 2.7mm NTC probe with ±0.9°F/±0.5°C precision, and a 2-second response time for real-time monitoring across a wide -40°F to 158°F (-40°C to 70°C) range.</p> <p>Built-In 80dB Audible Alarm：This freezer thermometer with alarm features a buzzer alarm to provide loud, instant alerts when temperatures go out of range - suitable for busy families with children or when immediate response is needed.The alarm requires pressing the button on the side of the device to turn it off, or the buzzer can be set to mute.</p> <p>Whole-Home Temperature Management：A single gateway supports up to 10 sensors within a range of up to 230ft (70m), allowing remote thermometer centralized monitoring of multiple fridges/freezers/rooms simultaneously.</p> <p>Quick &amp; Easy Installation：This refrigerator thermometer features a magnetic/hanging design with an included probe holder for neat cable management - set up in just 5 minutes with flexible placement options.</p> Smart 3-Way Alerts & Remote Temperature Monitoring：Get instant app notifications, email alerts, and buzzer alarms when temperatures exceed your preset range, with 24/7 remote monitoring for complete protection. High-Precision Temperature Sensor：Features an ultra-sensitive 2.7mm NTC probe with ±0.9°F/±0.5°C precision, and a 2-second response time for real-time monitoring across a wide -40°F to 158°F (-40°C to 70°C) range. Built-In 80dB Audible Alarm：This freezer thermometer with alarm features a buzzer alarm to provide loud, instant alerts when temperatures go out of range - suitable for busy families with children or when immediate response is needed.The alarm requires pressing the button on the side of the device to turn it off, or the buzzer can be set to mute. Whole-Home Temperature Management：A single gateway supports up to 10 sensors within a range of up to 230ft (70m), allowing remote thermometer centralized monitoring of multiple fridges/freezers/rooms simultaneously. Quick & Easy Installation：This refrigerator thermometer features a magnetic/hanging design with an included probe holder for neat cable management - set up in just 5 minutes with flexible placement options. Thermostat type Smart Thermostat Installation type Built-In Control type Digital Display Digital Brand Unbranded Color White Accessories Probe Holder Has written warranty No