DescriptionThe DHT22/AM2302 is a professional and practical digital sensor, which is specially designed for relative humidity and temperature measurement, and for your Raspberry Pi or Arduino. It features excellent long-tern stability and long distance signal transmission for durable to use.Features- Model: DHT22/AM2302.- Color: mainly white.- Shell material: durable hard plastic.- and Digital Temperature and Humidity Measurem Sensor.- Designed for Relative humidity and temperature measurement.- for your Raspberry Pi or Arduino- Operating voltage: 3.3 - 5.0V DC- Humidity measuring range: 0% - RH- Temperature measurement range: -40 C - + 80 C.- Measurement repetition: max. 2Hz- Temperature measurement error:plusmn; 0.5 C- Humidity measurement error:plusmn; 2% RH (Typical) maxplusmn; 5% RH.- No additional components, excellent long-term stability, and All calibration, digital output.