1pcs DHT11 Temperature and Relative Humidity Sensor Module for arduino DHT11 digital temperature and humidity sensor Module 20%-95% Range Detection Description: Feature 1. can detect surrounding environment of the humidity and temperature 2. DHT11 sensor adopts 3. humidity measurement range: 20%-95%, humidity measurement error: +-5% 4. temperature measurement range: 0 -50 ?, measurement error: +-2 degrees 5. working voltage 3.3 V-5 V 6. output form digital output 7. has fixed bolt hole and easy installation 8. PCB size: 3.1 cm * 1.4 cm Package inside: 1X DHT11 Temperature and Relative Humidity Sensor Module for arduino