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