Features: brand new and high quality Compatibility: This DIY injector cleaning adapter kit can easily clean most car and motorcycle injectors. Main purpose: as an adapter for cleaning nozzle, the injector can be removed from the engine and cleaned separately. You can use it to save on expensive nozzles when the injector is clogged. Operating requirements: requires a combination of 12V for dc power supply and injector spray or carburetor cleaner (not included). Please prepare these necessary tools. No compressed air is required. The package includes two white tubes and two alligator clip charger cables to accommodate two different sized syringes. Working principle: The electric port of the fuel injector is connected to the 12V power supply through this line. When energized, the solenoid for valve in the nozzle opens. During this for time, the cleaning solution is flushed through a white tube and then cleaned through a syringe. Specifications: Material:Metal,Plastic Size:Approx.13x14x5cm/5.12x5.51x1.97in Input Voltage:DC 12-24V Cable Length:Approx.88cm/34.65in Net Weight:150g Package Includes: 2x Power Cable 2x Fuel Cleaning Nozzle note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.