1Powerful function can detect a variety of combustible gases: liquefied gas, biogas, methane, natural gas. 2Responsive and loud, can effectively prevent the leakage of combustible gas and ensure your safety. 3Stylish and compact, light and portable, not only practical, but also satisfying the aesthetics of modern people. 4Fault selfchecking function, energy saving and low consumption, making your using more at ease. 5Sophisticated production, with good performance and higher work efficiency, brings you more convenience.