AUTO AIR CONDITIONER LEAK DETECTOR KIT Car AC Leak Test Flashlight 21 LED,UV Flashlight Refrigerant Leak Detection Tool Kit, UV Dye Fluorescent +Glasses Fluorescent oil coupled with fluorescent lights, it is easy to check out the place leaks. Scope of application: automotive, household, refrigerator, cold storage, central air conditioning, etc. Non-corrosive, long life, waterproof, never rust.Pollution-free, environmentally friendly, no harmless for health. Strong light, aluminum alloy casing, easy to operate. It is a professional 3 in 1 fluorescent leak detection tool, used in combination with fluorescent agents, for a wide range of applications, suitable for leak detection in most compressor refrigeration and air conditioning refrigeration systems.