It is designed for a type of alcohol monitoring device<br />Product size: 50 * 20 * 11mm<br /><br />Product Features:<br />Using MQ Series gas sensor probe， stable performance<br />Has a good recognition to ethanol vapor <br />Adjustable sensitivity，stable performance<br />Fast response&recovery speed<br />Operating voltage 5V， digital (TTL level) Analog Dual Output<br /> <br /> <br />Experimental components:<br />Arduino controller * 1<br />USB cable * 1<br />Alcohol sensor module * 1<br />When alcohol is detected when the analog value will quickly become larger<br /><br />MQ-3 alcohol sensor * 1<br />Static bag<br /><img src="http://img6.eachbuyer.com/x9/p100/eb4358_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb4358_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb4358_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb4358_4.jpg" />