Wireless Vibration Hour Meter Auto Engine Counter Odometer Gauge Motorcycle Accessories for Motocross Boat Snowmobile ATV -- FeaturesThe service reminder timer is completely waterproofUsed in all gasoline engine products such as motorcycle, ATV, ATV, speedboat, lawn mower etc. Induction design, one end is tied to the spark plug and the other end can work through the productThe maximum time range is 0- 9999h There is one time and it can be cleared, and the maintenance time reminder is 5h, 10h and 20h LCD display Low voltage design, built-in battery power mode, safe and reliable Blister paper card packaging, beautiful appearance and high quality Specifications: Material: ABS Waterproof: IP68 Timing accuracy: 0.1H Display mode: LCD Working current: 12A Package includes: 1x hour counter