Ambient Weather F007TH Wireless Thermo-Hygrometer for WS-07 Weather Stations
Outdoor temperature range: non-lithium batteries: -4°F to 140°F (-20°C to 60°C)<br> Outdoor temperature range: lithium batteries: -40°F to 140°F (-40°C to 60°C)<br> Outdoor humidity range: 10 to 99%<br> Includes seven channel dip switches<br> LCD degF / degC selectable display<br> Remote Sensor - 2 x AAA (not included)