DHT22 AM2302 DHT12 AM2320 Digital Temperature Humidity Sensor Module Board For Arduino Ultra-low Power High Precision 4pin Warm prompt: Dear buyer, Our cheapest transportation services Economic category logistics (SunYou Economic Air Mail ,China Post Ordinary Small Packet Plus ) can be traced only befor it arrive your country,please choose Standard category logistics if you want a full tracking info. High Precision AM2302 DHT22 Digital Temperature & Humidity Sensor Module For Uno R3 Specification: new and high quality. Type:AM2302. Accuracy resolution:0.1. Humidity range:0-100%RH. Temperature range:-40~80. Humidity measurement precision:2%RH. Temperature measurement precision:0.5. 4-pin package. Ultra-low power. No additional components. Excellent long-term stability. All calibration, digital output. Completely interchangeable. Long distance signal transmission. Relative humidity and temperature measurement. Shipping Included: 1PCS*AM2302 Temperature and Humidity Sensor DHT22: Product parameters: Humidity measurement range: 0% to 99.9% (0C-50C range) Humidity measurement error: 2% Temperature measurement range: -40 C ~ 80 C Temperature measurement error: 0.5C max 1C Resolution: 16 bits Sampling period: 2s Working voltage: 3V--5.5V