The fuel injector tester kit contains 6 cleaning adapters of different sizes, suitable for 12V and below 12V injectors, such as EFI, GDI, FSI, MPFI, SPFI, TBI, CFI, L-JET, LPG, K-Jetronic, coil-type direct, motorcycle injectors, etc. This tester kit is the most powerful and adapter-rich injector tester kit on the market, which can help you accurately detect the performance of the injector, diagnose faults, and the normal operation of the engine. The fuel injector tester has 8 pulse modes, consisting of 4 pulse signal output modes and 2 output voltage levels: short/medium/long/continuous pulse mode + high/low (12V/5V) power drive mode. The LCD clearly display the pulse mode you , and the two indicator lights flash quickly to indicate the pulse output status. When the battery clamp is incorrectly connected to the positive and negative poles of the power supply, the protection circuit inside the tester can prevent the current from flowing in the wrong direction, thereby effectively protecting the safety of the tester and the user This kit has a special 4 pulse output terminals (two pairs of test leads) that can test two fuel injectors at the same time. It can be used with any fuel pressure tester. The package does not include a power supply or cleaning agent. Only suitable for gasoline engines, not for engines.The fuel injector tester cleaner kit is powered by a 12V vehicle battery or an external DC 12V(recommended at least 1.5A) power adapter Colour:As Shown Material:Plastic Package Contents: 1 * fuel injector tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.