Hour Meter Digital Wireless Vibration Meter ForMotocross Boat Engine Scooter Motorcycle Scooter Chainsaw Marine ATV Jet Sk -- Digital wireless vibration hour counter. Can work on any engine. It has a powerful timing system and unique function design.Runleader proudly presents the new RL-HM016B timing system including: Accumulating total running hours TOT, Recording partial running time PAr, Sensitivity can be set high or low SEN, Meter can be locked when not in use Loc, Etc. Unique design including: Easily installed by sticker, IP65 waterproof rating, etc. Moreover, the products have CEIROHSC certification. MaPatentWChina.The hour counter is to record the total working hours and partial time of most motors, obtaining induction from vibration. The hour counter shows the total hours and partial hours. The partial time can be viewed and reset by pressing a button. This can be used on different engines and machines. It is an ideal rotator for paramotors, microlights, marine and outboard engines. Also use for pumps, generators, Mowesr, model boats, motorcycles, scooters, cleaners and chainsaws. The meter can set the sensitivity according to strong engine vibration or not. This meter can be locked by pressing the button. When not using the hour counter, user can lock it easily.