tachometer/hour meter with LCD display. Ideal for kart engines operating in the 25,000+ RPM range. Compatible with any 2 or 4 stroke gasoline-powered engine. Features reset to zero hours function; hour meter reads up to 10,000 hours and then resets to zero. Tachometer measures up to 99,999 RPM. Programmable maintenance hour setting with service icon provides a reminder for oil changes or other maintenance. Splash proof design and easy to install. Size: 46 x 57 mm. Material: plastic. Color: black. Package includes: 1 x tachometer meter. Only the above package content is included; other products are not included. Note: Lighting and different displays may cause slight color variations between the item in the picture and the actual product. Measurement error allowance is +/- 1-3 cm.