♦Power: DC5V~DC24V ♦Temperature Measuring Range : -30℃~80℃ ♦Humidity Measuring Range: 0~100%RH ♦Measuring Precision:Temperature:±0.5℃ (resolution: 0.1℃) / Humidity:±5%rh (resolution: 0.1 rh) ♦Output: RS485 (Protocol MODBUS RTU) ♦Consumption <0.1W ♦RS485 Communication distance: up to 800m ♦default cable length: 0.5m (can customize length)