[Test 2 Injectors Simultaneously]The fuel injector cleaning tester can help you diagnose and clean injectors, easily identify common faults such as stuck, clogged, leaking or burnt conditions of fuel injectors. Compared with other fuel injector cleaners and testers that only have one pair of pulse output temperatures (black and red test leads), our fuel injector tester has 2 pulse output temperatures (two pairs of test leads) and can test two fuel injectors at the same time for comparison. [8 Pulse Modes and Mode Lock Function and LCD Display]The fuel injector tester kit is designed with LCD display and 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. [4 Size Adapters & Wide Compatibility]Our injector cleaner is compatible with 12V injectors of almost all models, suitable for both EFI and GDI injectors. [40-inch Power Cord and 20-inch Test Lead]The power cord can be up to