Xenon �White Light� output with pre-set dial advance for one mark timing. Suitable for use on any vehicle with 12 volt conventional battery/coil or electronic ignition. The timing light can be used on any type of petrol vehicle with any number of cylinders and at any engine speed. Features include: sensitive inductive HT pick-up, die-cast alloy body, high speed overload protection, clip-on inductive pick-up designed to go around the No 1 HT lead for reliable triggering pulses (No need to disconnect the HT lead). Dial advance feature, which allows the engine to be timed when only TDC is marked. It also facilitates checking the advance curve of the ignition system to manufacturers� recommendations.