Features: Premium Material: Adopts quality metal material, solid and firm, wear resistance and can provide long service time. Segment Leak Detection: It can perform segmented leak detection on compressors, cooling pipes networks, pipes, and evaporators, and can quickly and accurately find leaks. Multi-purpose: it is mainly used to cleans the air conditioning and refrigeration systems for automotive testing and maintenance, suitable for most flushing adapters of air-conditioning systems on the market. Wide Applications: Air conditioning hose leak detection, oil pipes leak detection tools, evaporator, condenser leak detection. High Compatibility: Comes with 12 kinds of plugs and 10 kinds of buckles in different sizes, suitable for a variety of models of cars. Easy to use: you can repairing your car air conditioner by yourself, saving the time and money of the auto repairing shop.