Description: DHT11 Temperature Sensor This module can detect surrounding environment of the humidity and temperature Precision and reliability with excellent long-term stability Output form digital output Built in fixed bolt hole for an easy installation ; Connecting cables are included Specification: Humidity measurement range: 20%~90%RH Humidity measurement error: +-5%RH Temperature measurement range: 0~50? Temperature measurement error: ±2? Working voltage: 5V Size: 28 x 12 x 8mm Cable Length: 175mm Package Includes: 2 Pieces Temperature and Relative Humidity Sensor Module 2 Pieces Cables