Features 1、Usages: Widely used in garden machinery such as hand push lawn mowers, riding lawn mowers, chain saws, etc.; agricultural machinery such as branch chippers, weeders, seeders, etc. 2、Professional Display: The tachometer timer has its own buttons and dual interface display. When the engine is working, you can view the speed, timing, maintenance and other interfaces at will. 3、IP68 Protection: The digital tach hour gauge is sealed with epoxy resin, waterproof grade up to IP68, can be used normally in harsh environments such as heavy rain, highly reliable. 4、High Compatibility: Applicable to most gasoline engines, 9 kinds of engine strokes can be selected. Built in chip to automatically store data, will not be lost for more than 20 years. 5、Inductive Design: Only need to wrap one end of the induction wire around the spark plug 5 times, after the engine ignition signal is continuously detected, the timer will start timing. Specifications: Item Type: Digital Tach Hour Meter Material: ABS Power Supply Voltage: 3V Timing Range: 0-999999H Timing Accuracy: 1min/0.1H/1H Maintenance Range: 0-1000H Speed Range: 0-30000RPM Speed Accuracy: 10RPM Display Mode: LCD Waterproof Rate: IP68 Battery: Built in 1PC button cell battery CR2450 3V 540mah Function: 1. Dual interface display of timing speed. A. The factory default timing interface, switch the interface by long pressing the button. 2. Timing function A. Record the total working time of the vehicle B. The timing range is: 0-999999H, which cannot be cleared when totaling. C. Two sets of single timing can record the time of a certain running of the vehicle. The single timing range is 0-999999H, and the single timing can be reset by pressing the button. D. Timing method: gasoline induction timing. 3. Maintenance reminder A. According to the maintenance requirements of the engine, set the replacement oil filter, air filter time, and engine maintenance time B. The maintenance time setting range is 0-1000H, which can be set or closed. C. Reminder method for replacing oil filter: when the countdown is 0, CHG OIL flashes to remind, long press to reset D. Change the air filter reminder mode: when the countdown is 0, the CLEAN AIRFILTER flashes to remind, long press to clear E. Maintenance timing reminder mode: when the countdown is 0, SVC flashes to remind, long press to clear 4. Speed function A. The speed interface displays the current speed of the engine in real time B. The speed range is: 0-30000RPM C. 9 kinds of engine strokes can be selected D. After the engine stops working, the maximum speed of this work will be displayed. Characteristic: Indicates operation in RPMs and Hours Resettable for current JOB time; Total time not resettable 9 programmable firing patterns Record maximum RPM of engine Programmable maintenance interval timer(SVC) Programmable CLEAN AIR FILTER timer Programmable CHG OlL timer Application: Widely used in hand push lawn mowers, riding lawn mowers, chain saws and other garden machinery; rammers and other road machinery; water motorcycles, outboard motors and other marine industries; vehicle industries such as motorcycles, off road vehicles, ATVs, and snowmobiles; portable generators, RV generators and other generator industries; powered paragliders and other sports equipment; branch chippers, weeders, seeders and other agricultural machinery; and other gasoline engine equipment with spark plugs. Package List 1 x Digital Tach Hour Meter 2 x Cable Ties 2 x Screw 1 x Manual 1 x Wiring