Automotive Ignition Timing Light 12V ✔ Timing Light: Suitable for car, vehicle motorcycle, marine,all two-stroke and four-stroke gasoline engines, easily operate on 12V ignition systems ✔ Handle Pistol-type design:High quality makes it be worn hardly. ✔ Sensor Clips: The sensor clip is red and black to distinguish positive and negative poles, easy to use and more secure. ✔ Advance Function: Capable of testing the ignition timing scale on the engine flywheel or belt pulley intuitively to adjust appropriately. 🔔🔔🔔Attention: The power supply is 12V with red connecting to positive and black to negative. The high voltage wire induction clamp is clamped on the high voltage line of cylinder with the arrow on the induction clamp pointing to the direction of the spark plug for normal working.