Air Temperature: -4 to 140°F (-20 to 60°C)
Accuracy (Air Temperature): ±1.1°F / 0.6°C
Relative Humidity: 0 to 100%RH
Accuracy (Humidity): ±3%RH (10 to 90%)
Resolution: 0.1°F/°C; 0.1%RH
Power: 1 CR2032 Battery
Dimensions: 6.9 x 1.7 x 0.6" (175 x 42 x 16mm)
Weight: 1.9oz (55g)