AM2302 Temperature and Humidity Sensor (Wired DHT22) 

AM2302 (Wired DHT22) Temperature and Humidity Sensor operating voltage 3 to 5 volts DC.
Its maximum current consumption is approximately 2.5mA during a data request.
The user is able to get new data once every 2 seconds.
it provides output as a digital single bus.
Its air humidity measuring range is 0 to 100%.
0 to 80 degrees centigrade is its temperature measuring range.
Its air humidity tolerance range is 2 to 5%.