Ventisonic&reg; DHT11 Temperature and Relative Humidity Sensor Module for arduino 100% Brand New Ventisonic DHT11 Temperature and Relative Humidity Sensor module. High quality Humidity measurement range: 20%~90%RH; Humidity measurement error: 5%RH Temperature measurement range: 0~60; Temperature measurement error: 2 Working voltage :5 V Package included: 1 x DHT11 module; 3 x Dupont Cables