DHT11 Temperature and humidity sensor

Features
Model:  DHT11   
Output Type: Digital   
Input voltage: 3.5V ~ 5.5V   
Resolution: 8 bit   
Humidity Accuracy: +/- 5% RH (at 25°C)   
Temperature Accuracy: +/- 2°C (at 25°C)   
Humidity Range: 20% ~ 95% RH   
Temperature Range: 0°C ~ 50°C   
Maximum Response Time: 15s (Humidity), 30s (Temperature)   
Interface: 1 Wire   
Pin Number: 4 Pins   
Size:12.5mm x 16mm x 6mm