S350HS flashlight type laser methane detector is a gas leak detector for detecting methane from a long distance.  When in use, the device will emit two parallel lasers.  One green laser indicates the location of the detection leak point, which is convenient for personnel to view.  The other is an invisible detection laser, which can perform remote non-contact detection of dangerous gases to ensure the safety of detection personnel.  This telemeter can detect the methane concentration value of the checked location in real time and accurately, display and store it, and issue an audible and visual alarm when the alarm value is exceeded, so that personnel can make subsequent actions.