YingYing Home RF Wireless Weather Station with Indoor Ourdoor Sauna Thermometer Remote Sensor Digital Alarm Clock Green Backlight Home Decor Type: Wireless Weather Station Desk Clock/Home Decoration Table Clock Home Decor Size: 7.5*6.8*17.3cm/2.95*3.15*6.8inches Home Decor Material: Plastic Powered by Main Unit: 2* AA(not included), Transmitter: 2* AAA(not included) Quantity: 1 Set (Battery Not Included)