Outdoor Temperature Range: -40°F to 140°F (-40°C to 60°C) with Transmission Range: Up to 400 ft; Battery operation (Station: includes 5V adapter and CR2032 battery back-up (battery retains data, does not run system); Includes LTV-TH5i Temperature/Humidity Sensor requires 2 AA batteries (not included) and LTV-WSDR1 Wind/Rain sensor requires 3 AA batteries. ).
eBay