[Scenario Application] - Wireless vibration hour meter is used for maintenance, maintenance schedule (1-1000H can be set) and total working time (MAX 99999H) of any engine 2 or 4 stroke gasoline diesel. [Butler service] -Simple installation and setup, accurate reading times, waterproof design, light rain is not afraid, follow you wild (IP68) . [Safety assurance] - Anti-seismic and sun-proof design, driving through potholes can be displayed smoothly and always pay attention to the engines healthy working hours . [Designed for you] -Built-in, non-replaceable battery. Auto sleep, power saving Velcro installation, one stick and one press, simple, neat, no extra wires. Cushioned keys for easy setup. [After-sale Warranty] -The best gift for relatives and friends, easy to know the maintenance interval, the total running time of the equipment. Do not worry about shopping, product problems are returned unconditionally,