Features The service reminder timer is completely waterproof Used in all gasoline engine products, such as motorcycle, ATV, ATV, motorboat, lawn mower, etc Inductive design, one end is tied to the spark plug, and the other end can work through the product The maximum timing range is 0-9999h There is a single timing and can be cleared, and the maintenance time reminder is 5h, 10h and 20h LCD display Low voltage design, built-in battery power supply mode, safe and reliable Blister paper card packaging, beautiful appearance and high grade Specifications: Material: ABS Waterproof grade :IP68 Timing accuracy :0.1H Display mode :LCD Working current: 12A Package included: 1xHour Meter the other type: Feature:Works on Any Gas Engine. Record and display to 9,999.9 hours. Hour glass symbol appears and flashes on/off to indicate counting time. Track the service life of vehicle-oil changs, valve, adjustments, spark plugs, etc. Specification: Wire Length:1000mm Timing Accuracy:0.1H Timing Range:9999.9H Housing Material:ABS Package included: 1 xDigital Hour Meter 2 x Screws 1x Wire Do drop? Yes,we do.