SODIAL(R) DHT11 DHT-11 Digital Humidity Temperature Sensor Probe Moudle For Arduino PIC Power supply: 3-5.5V DC Output signal: digital signal via single-bus Operating range: humidity 20-90%RH, temperature 0-50Celsius Accuracy: humidity +-4%RH(Max +-5%RH) , temperature +-1Celsiu Resolution: humidity 1%RH, temperature 1Celsius