Description:The precise ignition timing lamp provides a convenient method for the engine timing on the car.There are auxiliary functions such as advance timing, allowing users to check vacuum, mechanical or computer-controlled timing advance curves!Generally, the engine needs to be adjusted or checked at a specific engine speed or in some cases to achieve accurate positive timing with a specific vacuum advancement diaphragm that applicable for a distributor or a car's built-in engine. The plastic timing can be used at 6V or 12V positive or negative grounding system. Feature:Suitable for 12V gasoline engine.High-strength, impact-resistant ABS shell.Interchangeable Clamp and easy to operate.Digital display button operation panel, simple and easy to operate. Specification:Power Supply Voltage: 12VSpeed: 8000rpmSize: 30*19.5*8cmWeight: 550gUses: Detect Automobile Ignition SystemApplicable Models: All Domestic and Imported 12V Engine Models Package included:1 X Inductive Timing Light Note:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3mm measuring deviation due to manual measurement. Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.