Can detect surrounding environment of the humidity and temperature, Humidity measurement range: 20% Minus 95%, humidity measurement error: Plus Minus 5%, 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, PCB size: 3.1cm x 1.4cm, 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 8 bit microcontroller, offering excellent quality, fast response, anti interference ability.