General description This Digital Chainsaw Tachometer is designed for small engines, featuring a body-inductive design that allows for easy installation by clipping onto the spark wire. It is suitable for both two-stroke and four-stroke gasoline engines, making it versatile for various applications. Technical specifications Measuring speed range: 100 RPM to 30,000 RPM Hour meter capacity: up to 10,000 hours RPM meter capacity: up to 99,999 RPM Material: ABS Measurement allowed error: +/- 1-3 cm Usage Ideal for chain saws, croppers, generators, lawn mowers, RVs, ATVs, dirt bikes, motocross, boats, tractors, and small gasoline engines. Automatically saves energy when the engine is not running and activates when the engine is in operation. Other information Package Contents: 1 Digital Chainsaw Tachometer kit Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.