New and high-quality tachometer/hourmeter with LCD display. Ideal for use with car engines operating in the 25,000+ RPM range. Compatible with 2-stroke and 4-stroke gasoline engines. Features a reset-to-zero function; the 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 reminder for oil changes or other maintenance tasks. Includes black wire that wraps around the spark plug wire for easy installation on most ignition engines. Engine type can be selected using S1 and S2 buttons. Splash-proof design for improved durability. Suitable for motorcycles, ATVs, snowmobiles, boats, outboards, quads, jet skis, and dirt bikes. Reset procedure: Press and hold S1 until 05 appears, release, wait 8–10 seconds until display returns to total time, then press S1 and S2 simultaneously to reset all data. Default speed mode is 02. Battery replaceable. Not fully waterproof. Made of ABS material. Color: black. Package includes 1 x tachometer. Other items not included. Note: Lighting and screen differences may cause slight color variations. Measurement error allowed within +/- 1–3 cm.