Features and Benefits:

• Versatile instrument can measure RPM on a wide variety of engines from string trimmers to automotive
• Reads engine revolutions up to 20,000 RPM
• Built-in LED Flashlight which can be used while taking measurements
• Backlit LCD display - Accuracy positive or negative 10 RPM
• Picks up signal wireless or with supplied inductive pickup

Great for use on a wide variety of engines, including:  outboards, snowmobiles, motorcycles, small engines, generators, lawn equipment, ATV, automotive and more.