Digital Audible Alarm Refrigerator Thermometer with Min/Max Sensor Display, 2PCS-CHE

Wireless Refrigerator Thermometer with Digital Audible Alarm and 2 Sensors, Min/Max Display Specifications:Material: ABSUpdate Rate: 10 secondsTransmission Range:328 feet / Indoor Temperature Range: 0°C ~ 50°C (32°F ~ 122°F) Outdoor Temperature: -40°C ~ 60°C (-40°F ~ 140°F)Power Supply:2 AAA batteries for the main unit, 4 AA batteries for the sensor (not included).+ product Description:This is a wireless digital freezer thermometer.It can be used in the freezer as an internal and external thermometer.Its audible alarm can alert you in time if the temperature limit is exceeded.   How to install the sensor:The sensor is equipped with a spring clip and a plastic handle to hold it firmly on the edge of the shelf.The display can be attached magnetically to the refrigerator or mounted on the wall using the integrated keyhole.   Features:Minimum temperatures Maximum and maximum values ​​are displayed on the LCD screen and can be manually reset. It features indoor and outdoor audible alarms.The device emits an audible alarm when the temperature exceeds the preset minimum and maximum values. The easy-to-read LCD screen displays the current indoor and outdoor temperatures.The LCD screen indicates when the battery is low.Includes 24-hour minimum and maximum temperature readings so you can easily monitor temperature changes in your refrigerator, providing double protection for your food safety.Features arrows indicating temperature trends and daily maximum and minimum temperature information.Comes with an adjustable hook for wall mounting or use as a tabletop unit. Features Caution: Do not install batteries reversed.Do not place the receiver near metal.Avoid placing the transmitter directly in the rain.Package includes:1 main unit (batteries not included)2 sensors (batteries not included)1 manual usage