Product advantages: 1. Low-voltage design, built-in battery, safe and reliable, with a service life of up to five years2. Body induction design, wire can be bound to the spark plug to operate3. Set the speed mode at , remind the maintenance function, and reset the system with one key4. Applicable models: ordinary cars, miniature cars, off-road vehicles, ordinary racing cars, miniature racing cars, off-road racing carsone: 1. The tachometer is applied to all gasoline engines, with spark plugs2. Inductive design, you only need to bind the connecting wire a few times on the spark plug to work3. Timing range: within 9999.9 hours; speed range: within 15300RPM4. LCD liquid crystal display5. DC low voltage power supply, built-in battery CR2450, DC3.0V6. The speed mode can be set, which can be applied to 2-stroke or 4-stroke gasoline engines7. The tachometer line is about 1.65 meters long, equipped with two cable ties, and the English manualtwo: 1. The timer is applied to all gasoline engines with spark plugs2. Inductive design, you only need to bind the connecting wire a few times on the spark plug to work3. The timing range is: less than 9999.9 hours; 4. LCD liquid crystal display5. DC low voltage power supply, built-in battery CR2430, DC3.0V6. The timer line is about 1 meter long, English card, blister packagingProduct Name: Motorcycle speed timer accumulatorMaximum timing range: 9999.9 hoursLarge speed range: 9999RPMDisplay screen: LCD liquid crystal displayMaterial: plasticcolour: blackPackage Contents: 1 x TachometerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.