Wireless outdoor Hygrometer, Thermometer RTH-Home Dimensions L x W x H: 95 x 35 mm Dimensions W x H x D: 95 x 35 x 15 mm Included in delivery: Batteries included Probe type: Wireless Functions: Temperature Outdoors (Wireless) / Measured Data Storage / Temperature Indoors / Humidity Indoors / Humidity Outdoors (Wireless)