Features: 1.easy to use 2.find the leak site quickly and accurately,do not need to take the system apart 3.can accurately determine the air-conditioning compressor, radiator,air-conditioning piping, evaporator 4.saving time and effort 5.Pure Copper Specification: Condition: New Fitment Type: Direct Replacement Installation Instructions: Not included Brand: Unbranded Type: Leak Detector Scope of application: Segmental leak detection of automotive air conditioning systems Material: pure copper Applicable models: Toyota, Honda, Nissan, Volkswagen, Audi, Mercedes-Benz, BMW, Ford, etc Package include: 1 set of Air Conditioning Leak Test Kits.