The engine hour meter JMP is an hour meter that does not require any wiring. Using double-sided adhesive tape, installation is limited to just a few seconds. The engine is detected by the vibrations transmitted to the unit. The hour meter is completely waterproof and was specially developed for extreme applications such as the off-road area. The device has two-hour counter functions. It saves the total elapsed time (not resettable) and the partial run time (resettable). The supplied battery has an approximate life of 5 years. No external battery or cable required during installation Operates on motor vibration Partial time can be reset, total time cannot be reset Sensitivity can be adjusted. Lifetime: approx. 5 years under normal use Time resolution: 0.1 hour Waterproof: according to protection class IP68