Features: New Tachometer Hour Meter For Motorcycle ATV Snowmobile Boat Gasoline Engine and Tachometer / Hour Meter, with LCD display. Great for Cart Engines operating in the 25,000 + RPM range work on any 2 or 4 stroke gasoline powered engine. With Reset to Zero Hours function, the hour meter reads up to 10000 hours and then resets to Zero & The tachometer can read up to 99,999 RPM Programmable Maintenance hour setting with service , a reminder when to change oil or other service. With wrap clip,easily to install on your Gasoline Chain or Gasoline Saw Mower,Motorcycle Splash Proof & Easy Installation: Low voltage design, battery operated(CR2450, included), safe and reliable. Specification: Model: Can replace battery Power Supply: 3V Size: . 46 x 57mm Material: ABS colour: black Package Contents: 1 x Tachometer Only 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.