CJRSLRB Gas Detection Module MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Sensor Module Each of Them 1pcs total 9pcs Sensor kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>ICSG017A is a "Gas Sensor" module.</li><li>The dual signal output (analog output and TTL output)</li><li>The analog output and increased with the increase of concentration， the higher the concentration higher voltage;</li><li>Has a very high sensitivity to sulfide， benzene vapor， smoke and other harmful gases</li><li>Quick response and recovery characteristics</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51-LY0RgumL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51o2anRcEQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51fbddZ2DHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51l-FSzLv2L.jpg" noproxy>