Thermo Pro TX-2 Sensor for TP60S Thermo-Hygrometer

Only compatible with TP60S/TP62/TP65; Accessory only, can not be used alone
With additional remote sensors, track environmental conditions in 3 locations

Features

Outdoor temperature range:  (-20°C to 70°C)
Outdoor humidity range: 10 to 99%
Temperature accuracy: ±2°F,  Humidity accuracy: ±2~3%RH 
Includes 3 channel dip switches
Battery Power - 2 x AAA (not included)
Dimensions:6.1 x 2.03 x 6.35 cm; Weight 59 Grams