Thermometer,Digital Refrigerator Thermometer,Wireless Thermometer,Refrigerator Wireless Digital Audible Alarm Thermometer with 2 PCS Sensor Min/Maximum Display for Home

Description: This is a wireless digital freezer therometer. It can be used in the freezer and act as therometer indoor and outdoor. Its own audible alarm can warn you of the exceeded temperature in time. Specification: Material: ABS Update Rate: 10 secondsTransmission Range: 328 Feet Indoor Temperature range: 0 ? ~ 50 ? (32 ? ~ 122 ?) Outdoor Temperature range: -40 ? ~ 60 ? (-40 ? ~ 140 ?) Power Supply: 2 X AAA battery for the host, 4 X AA battery for the sensor (Not included) How to Install the Sensor:The sensors are equipped with a spring-loaded clips along with a Plastic grip to tightly attached to the of a shelf.The display is magnet-mountable on a fridge, or use the integrated keyhole for wall mounting. Package Included:1 x Host (Battery not included)2 x Sensor (Battery not included)1 x User Manual Notice:Do not install the reverse battery.Do not put the receiver near metal.Avoid transmitter directly in the rain.