Mini Gas Analyzer Automotive Handheld Combustible Gas Detector Gas Leakage Location Determine leak Tester + Sound &Light Alarm Features: Portable detector for detecting all combustible gas. Long flexible stainless probe reaches all areas. Audible semiconductor probe and auto fast warm-up. Instant response, pinpoint leak position and low battery indication. Audio & visible leakage alarm indication and adjustable sensitivity. Compact size, light weight, easy to carry and operate.