Wireless indoor and outdoor digital thermometer and hygrometer

About the Product

Specifications:

Food display	3 x aaa 1.5v
Sensor power supply	2 x AA 1.5V
Interior of the interior temperature	(-20 ° C)-(-70 ° C)
Outer temperature range	(-40 ° C)-(-70 ° C)
Humidity range	20% - 95%
Mod displaying temperature selectable	Celsius ° C - Fahrenheit ° F
Touch screen	Yes
Background light	Yes
Wireless	Yes
The radius of action	100m
Alarm	Yes