Hign-concerned Chemical:NONEOrigin:Mainland ChinaTach Hour Meter Motorcycle Meter Digital Tachometer Engine Resettable Maintenace Alert RPM Counter For Chainsaws Boats ATV 1.No external power required- Timed by sensing the vibration intensity and amplitude of the machine; The hour meter contains a battery inside. 2.Accumulates Total Running Hours)- When equipment vibrates, the display shows the total run time of the machine and remains visible. Help you track how many hours you put on your machine. 0.1-hour accuracy. 3.VIBRATION SENSITIVITY- Programmable vibration sensitivity. Used to accurately sense the vibration frequency of different machines during operation. Hour meter contains lock function to prevent time usage during transport. Power saving mode to conserve battery life with auto sleep time. 4.1.Easy To Install-Along with two side holes for fastening,no wiring necessary,or attach with enclosed hardware. Features: 1, The maintenance reminder timer completely waterproof 2, Used in all gasoline engine products, such as motorcycles, ATV, ATV, motor boats, lawn mowers, etc. 3, Inductive design, will be tied to the spark-plug on one end, the other end that can work through the product 4, The maximum timing range: 0-99999H 5, A single time and can be cleared, maintenance time reminder: 5H, 10H, 20H 6, LCD screen display 7, Low-voltage design, built-in battery-powered, safe and reliable 8, Plastic paper card packaging, beautiful appearance and high grade Fitment: -Fit motorcycles, ATV, ATV, motor boats, lawn mowers, etc. Installation method: -Use doule side taps,peel and apply to the back of the meter and mount. -For more permanent application use drill template to locate mounting holes. -DO not drill into tanks or engine crankcase. -Mounting will determine sensitivity of the meter,In most applications the appropriate mounting sensitivity can be easily achieved. to make it more balancely to get more sensitivity. Features: 1.Replacable battery,battery type: CR2032. 2.Time display mode is optional.it is divided into hour system and minute system.For example,hour system 123.4,it means 123.4 hours equals 123 hours 24 minutes;And 123:06,it means123 hours and 6 minutes equals 123.1 hours.Short press button to switch the display mode. 3.In order to avoid the machine being transported in the way of and invalid vibration, or other invalid timing,you can shut down hour meter by pressing button 3 seconds,until display''off''.and start timing by pressing button until display show''on''. 4.Auto sleep,if there is no iginition signal, and no pressing button.it will auto sleep in 5 minutes to save the battery.when a ignition signal is received,it will wake up automatically. 5.If you want to reset,please remove the battery and wait for 5 minutes before putting it in.When the battery is running out of power,and you want to save the current data.Please try to put a new battery in within 2 minutes after you remove it. Application: -Wireless hour meter record actual running time of traliers,motors,equipment and machinery or any vibrating equipmet which use on any application requiring tracking quarterly,anuanl,preventative maintenance. Specification: -Brand new and high quality. -Track the service life of vehicle-oil changs, valve, adjustments, spark plugs, etc. -Easy to install. -Peel and stick,connect to spark plug wire easily. -Battery replacabable, battery type:CR2032. -Works on Any Gas Engine. -Record and display to 9,999.9 hours. -Hour glass symbol appears and flashes on/off to indicate counting time. -Automatic roll over. -Resolution: 0.1 hour. -100% epoxy encapsulated casing resists water, shock, stand fire of 85C.