Wall-hanging or free-standing receiver displays wireless outdoor temperature and monitors indoor temperature. Works With 1 Sensor, Weather Resistant Yes, probe, LCD Display Yes, Thermostate Range F -21-157 outdoor, 32-139 indoor, Battery Included No, Mounting Type Wall, freestanding, Indicator Type Thermometer, Dimensions L x W x H in. 3/4 x 2 1/2 x 3 3/4, Batteries Required Yes, AA and AAA, Includes Recording for max. & min. temperature, Color Camo.