Humidity measurement range: 20 Percent Minus 95 Percent, humidity measurement error: Plus Minus 5 Percent
Temperature measurement range: 0 to 50 ;measurement error: Plus Minus 2 degrees
Working voltage 3.3 ~ 5V
Output form: digital output
Has fixed bolt hole and easy installation
DHT11 Temperature and Humidity Sensor features a temperature and humidity sensor complex with a calibrated digital signal output. By using the exclusive digital signal acquisition technique and temperature and humidity sensing technology, it ensures high reliability and excellent long term stability. This sensor includes a resistive type humidity measurement component and an NTC temperature measurement component, and connects to a high-performance 8bit microcontroller, offering excellent quality, fast response, anti interference ability
This tutorial will help you use DHT11 Temperature and Humidity Sensor Module for Arduino: