This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration.
This product has the MQ sensor carrier board included. Works with 5V and has TTL level digital and analog outputs which makes it very easy to use with Arduino and other microcontrollers.
Dimensions: 32 x 20 x 22mm