Description: 1. Injector tester: To help diagnose injector problems, you can also use it to test each injector individually to help identify stuck, leaked or burned out conditions. 2. 4 pulse modes: Single/short/long/continuous mode. It can help you identify whether the injector is good when the engine is turned off. 3. Function: The mode locking function can ensure the consistency of the test conditions. 4. Universal: Testable wire. It can be used with any fuel pressure tester. 5. Please note: Only gasoline cars, not applicable to other engines. Specification: Product name: Tester Color: As shown Material:ABS Voltage: 12V Operating environment: 0-40C, relative humidity <80% Storage environment: -10C ~50C, relative humidity <85% Display: LED The package includes: 1Pc * Tester 1Pc * English manual