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, operate on 12V ignition . The ignition timing light professinally sets initial and advance timing in order to obtain timing and . With high brightness linear flash tube and a visible LED display, simple and convenient to operate. Pushbutton control to adjust advance and switch between 4 and 2 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: 1 x Timing Light 1 x ENGLISH manual Only the above package content, other products are not included. Note: Light 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.