POWERFUL TIMING LIGHT: The Performance Tool W80578 Self-Powered Timing Light features a super bright xenon bulb that delivers reliable and accurate timing readings even in daylight conditions. SELF-CONTAINED DESIGN: With a self-contained design that eliminates battery leads, this timing light is easy to use and eliminates the need for additional components or tools. VERSATILE: This timing light is designed to work with all gas engines, outdoor power equipment, motorcycles, snowmobiles, mowers, and tractors, making it a versatile tool for mechanics and DIYers alike. WORK LIGHT FUNCTION: The W80578 also includes a convenient work light function that makes it easy to see and work in low light conditions. INDUCTIVE PICK-UP: The detachable inductive pick-up can be easily hooked up and works with magnetos, ensuring reliable and accurate timing readings., Weight: 0.85 pounds, Manufacturer: Performance Tool