Look no further. Outstanding product quality, that's excceptionally built. Best of all, its very affordable price. Buy one right away.<br /><br />Features:<br />Quickly identify and determine the leak position of combustible gas<br />Manually adjust the sensitivity<br />High sensitivity<br />Visible sound and light alarms<br />Detecting the type of gas:( natural gas, methane, ethane, propane, butane, acetone, alcohol, ammonia, hydrogen, smoke, sulfide, naphtha, gasoline vapor, carbon monoxide, paint thinners, organic solvent vapors, volatile industrial solvents. )<br />Technical parameters:<br />Model: MS6310<br />Material: ABS<br />Color: dark gray<br />Dimensions: 170 x 65 x 45mm, 37cm probe<br />Power supply: 4 x 1.5V AA batteries ( not included )<br />Resolution: 50 ppm ( methane )<br />Alarm range: 10% ~ 40% LEL<br />Response time: < 2 seconds<br />Warm-up time: ≥2 minutes<br />Zero time: 7 to 10 minutes<br />Working temperature: 0 ~ 50 celcius degree<br />Operating humidity: 10 ~ 90% RH ( with no icing )<br /><br />1 x Combustible Gas Detector<br />1 x English User Manual <br />1 x Cloth Bag<br />In color box package<br /><img src="http://img6.eachbuyer.com/x9/p100/bn964_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn964_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn964_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn964_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn964_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn964_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn964_7.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn964_8.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn964_9.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn964_10.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn964_11.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bn964_12.jpg" />