iduino DHT22 FR4 Temperature and Humidity Sensor Module for Arduino DHT11 Humidity temperature sensor DHT22 with calibrated digital signal output, works well with Arduino sensor and official development boards. Humidity :20~90%RH, +/-2%RH Temperature Range:-40~80 Celsius, +/0.5 Celsius Transmitting Range: 20m Packing List: 1 x Arduino DHT22 Sensor Module