Note: Please avoid direct contact with water. Features: -New timer, motorcycle timer, ATV, snowmobile, boat, gasoline engine. -New high-quality timer/timer with large LCD display. -Suitable for on-board engines running in the range of 25,000+RPM. -Suitable for any two-stroke or four-stroke gasoline engine. -With the zero-time reset function, the hour counter reads 10000 hours and then resets to zero, and the timer can read up to 99.999 RPM. -Programmable maintenance time adjustment with a service icon to remind you when to change oil or other services. -Surround the hood cable with a black cable. You can select the motor type by using the S1 and S2 buttons to work on all spark ignition motors. -Anti-flicker and easy installation. Specification: Name: Digital Engine Tach Hour Meter Material Type: ABS Item Weight: 0.053 Item Height: 20mm Item Width: 46mm Item Length: 52mm Features: Digital Display Package includes: 1 x Tachometer Meter (including clip and cable)