This Digital Wireless Refrigerator Thermometer is necessary Accessory for Your Needs in Daily Life, Suitable for Measuring the Temperature of Refrigerator, Freezer, Indoor/Outdoor and other places. Features : The console alerts audible and visual alarms when temperatures exceed your preset min and max alarm settings. Easy to read LCD screen displays the current indoor outdoor temperature. When insufficient electricity, there are will be shown on the LCD screen. With a temperature trend indicator arrow and daily high and low information. Display stands upright for tabletop use or is wall-mountable. The display console displays min and max temperature, including 24 hours high and low records for temperature, which can be reset manually. 433 Mhz transmission frequency. Update Rate: 60 seconds. Transmission range up to 328 ft Indoor Temperature range: 0℃~50℃（32℉ ~ 122℉） Outdoor Temperature range: -40℃~60℃（-40℉ ~ 140℉） Remote temperature range: lithium batteries: -40°F to 140°F, non-lithium batteries: -4°F ~ 140°F Package Contents: 1 x Receiver 2 x Transmitter Power Requirements: Main Unit - 2 x AAA (not included) 2 Transmitters - 4 x AA (not included) Note: Do not put the receiver near metal. High-quality batteries for the use of main unit and transmitter better. The sensor search mode allows you to re-sync sensors without removing and re-inserting batteries. How to Install the Sensor: The thermometer's digital display is magnet-mountable on a fridge,or use the integrated keyhole for wall mounting. The wireless thermometer sensors are equipped with a spring-loaded clips with a Plastic grip to securely attached to the edge of a shelf.
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