Tiny Tach Digital Hour Meter / Tachometer for Marine Spark Mower Engine Motor Description: Splash Proof. Large LCD Display Tachometer/Hour Meter. Can be reset to zero hours. Great for Cart Engines operating in the 25,000+ RPM range. Outing, quad bikes, jet skis, motorcycles and off-road vehicles. For all spark ignition engines. Easy Install. Wrap black wire around sparkplug wire - will work on most engines. Some engines will require hooking up the white ground wire. This hour meter reads up to 9999.9 hours and then resets to Zero.The tachometer reads to 99,999 RPM.Programmable Maintenance hour setting with Service Icon, a reminder when to change oil or other service.Works on all spark ignition engines by selecting engine type using S1 and S2 buttons. The leads are working enough. Includes a single shielded wire with two internal leads. One is to be wrapped around a spark plug wire and the other is a ground wire. 100percent new and high quality Material: ABS Size: Approx.73.5 x 47 x 20mm (max.) Screen size: 42 x 12.5mm Display: LCD display Button type: tact switch Refresh rate: 1s Timing range: 0-99999 hours Maintenance reminder range: 0-9999.9 hours Speed: 0-30000RPM Speed accuracy: 10RPM Timing accuracy: 0.1hours Waterproof rating: IP65 Induction line length: 1.7Meters Voltage: 3V Color: As picture shows Weight: 66g Quantity: 1Pcs Note: Light shooting and different displays may causethe color of the item in the picture a little different from the real thing.The measurement allowed error is+/-1-3cm. We highly appreciate all custome rsopinions to improvethe selling, also if anything you unsatisfied, please contact us for probable best solution. Thank you! Package Included: 1Pcs Tiny Tach Digital Hour Meter / Tachom