Accurate ignition light is necessary for gasoline engines to achieve fuel-economy and performance. The engine to 9000 RPM and ignition spark advance from 0-90. The timing light is designed for precise tuning and diagnostic work, adopting high strength ABS material shell and 60 inch inductive pick-up leads, easily operate on 12V ignition systems. The ignition timing light professinally sets initial and advance timing in order to obtain total timing and performance. With high brightness linear xenon flash tube and a visible LED display, simple and convenient to operate. Pushbutton control to adjust advance and switch between 4 and 2 cycle engines. The sensor clip is red and black to distinguish positive and negative poles, simple to use and more secure. Type: Timing Light Input Voltage: 12V Speed: Accurate to 9000 rpm LED Display: Support size: Power Leads Length: 60 inch Material: ABS colour: Black+grey Package Contents: 2 x Timing Light 2 x ENGLISH manual 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.