Overview1. This is a calibrated digital temperature and humidity module with onboard sensor DHT22 (AM2302), which features higher accuracy and wider measuring range than DHT11.2. It can be used for detecting ambient temperature and humidity, through the standard single-wire interface.Specifications1. Temperature- Resolution : 0.1degree C- Accuracy: +/-0.5 degree C- Measuring range: -40 degree C ~ 80 degree C2. Humidity- Resolution: 0.1%RH- Accuracy: +/-2%RH (25degree C)- Measuring range: 0%RH ~ 99.9%RH3. Operating voltage: 3.3V ~ 5.5 V4. Recommended storage condition- Temperature: 10 degree C ~40 degree C- Humidity: 60%RH or belowApplications1. Weather station2. Humidity controller3. Test & detection deviceHow to UseIn the case of working with a MCU:1. VCC: 3.3V ~ 5.5V2. GND: GND3. DOUT: MCU.IOSpecification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 5cm * 3cm * 1cm / 1.97inch * 1.18inch * 0.39inch Qty per Carton 6240 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 6240 pcs = 1772160 pcs40HQ: 661 cartons * 6240 pcs = 4124640 pcs