Specifications: 1) Power Supply: 5V DC 2) Electric current: 2mA (max. 5mA) 3) Temperature operating range: 20 â?? 50 0 C 4) Humidity operating range: 0 â?? 100% Rh 5) Humidity measurement range: 20 â?? 80% Rh 6) Accuracy: 5% Rh (at 25 0 C and 5 V DC) 7) Temperature Storage range: -20 to 85 0 C 8) Humidity storage range: below 85% Rh 9) Size: 34.7 x 21.6 x 10 mm 10) Polarity Protection: Not Provided -