Temperature readings: Fahrenheit, Celsius Temperature accuracy: 14°F to 158°F +/- 0.9°F; -10°C to 70°C +/- 0.5°C Humidity accuracy: 10-90 RH ± 2% Voltage: 12V (from RMCARD) Dimensions (LxWxH): 1.14 x 2.64 x 2.09 in. Weight: 0.1 lbs. Input dry contact: 4 Connection port & cable: RJ45 Ethernet port x 2, 10 ft. cable, Daisy Chain x 8 Max