Feature: 1. 100% Brand new with good performance. 2. Fluorescent oil coupled with fluorescent lights, it is easy to check out the place leaks. 3. Scope of application: automotive, household, refrigerator, cold storage, central air conditioning, etc. 4. Non-corrosive, long life, waterproof, never rust. Pollution-free, environmentally friendly, no harmless for health. 5. Strong light, aluminum alloy casing, easy to operate. 6. 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. Specification: Features: 100% Brand new with good performance. 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. Specification: Product Name: Car fluorescent leak detection set Material: Aluminum Alloy Package size: 17*12*6.5cm Package weight: 232g Package includes: 1 x Car A/C System Leak Detector Kit（Without Battery） Package List: 1 x Car A/C System Leak Detector Kit（Without Battery）