Wireless Digital Audible, Fridge Freezer Thermometer Fridge Thermometer Alarm Refrigerator Thermometer with 2Pcs Sensor MinMaximum Display

Specification:Material: ABSUpdate Rate: 10 secondsTransmission Range: 328 FeetIndoor 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.