The maximum time range is: 9999.9 hours
Maximum speed range: 999RPM; Display screen: LCD display; Battery life: more than 3 years
1. Applicable models: general motors and various gasoline motorcycle models, applied to all gasoline engines, with spark plugs
2. Inductive design, only need to tie the cable to the spark plug to operate
3. The maximum timing range is: 9999.9 hours; Maximum speed range: 9999RPM
4. LCD display
5. Low voltage design, built-in battery power supply, safe and reliable; Battery life is more than 3 years
6. Can set the speed mode and apply to 2 stroke or 4 stroke engine
7. Can set up maintenance time reminder function, and LCD screen flashing warning after time
8. The system data reset function can remove all recorded data

Operation method: speed mode setting: hold the S1 key for 4 seconds, and the RPM icon shows, The liquid crystal display will display
01 (2 times each time the spark plug is fired);
02 (each rotation is fired once);
03 (other rotation);
04 (only show time, not show the RPM of each minute).
Once you have found your ideal spark plug, please release the S1 key, the LCD will blink for 8-10 seconds, and return to the total timing mode.
The factory value is 02. Maintenance interval Settings: hold the S2 key for 4 seconds and the right half of the monitor will blink.
The SERVICE icon will be displayed. Press the S1 key to automatically increase the flicker digit number, and then release the S1 key when the desired number is reached.
And hold down the S2 key for one second to add the next number, repeat the above steps until the interval input is completed, unit: time. Release all the keys, and after 14-16 seconds, the LCD display will return to the total time mode.

Maintenance interval confirmation: at the same time, hold down S1 and S2 for 4 seconds, and 2 Numbers will increase to the total time mode after 2009.
Say maintenance interval confirmation start work. When the engine starts running interval SERVICE time to 0, the SERVICE icon shows that the SERVICE time has arrived. This step must be done to make the set interval time work.
Set the interval time query: hold the S2 key for 4 seconds, you can query your maintenance interval time, do not have to do any setting.
​If you want to set a new maintenance interval, repeat steps 5 and 6. That is, you want to query the maintenance interval just by holding the S2 key.
SERVICE time to the following processing: after the engine runs, the SERVICE icon will display the SERVICE icon if the interval time of maintenance is arrived.
While holding down S1 and S2, the SERVICE icon will be turned off after the data is from 01-09, and the maintenance interval will automatically revert to the original set time and continue to run.
Just show time: after holding down the S1 button until 04 displayed, let go of the S1 button, 8 to 10 seconds after the display back to the total time, when the engine is running, the screen will only display time, do not display speed, pump icon will flash.
System reset: hold the S1 button until 05, release the S1 key, and display back to the total time after 8-10 seconds.
Hold down the S1 and S2 keys simultaneously, so that the data will reset after the data from 01-09, all data will be cleared, and the speed mode will default to 02."

Product advantages:
1. Durable power: low voltage design, built-in battery, safe and reliable, with a life span of 5 years;
Wide use: ordinary cars, minivans, suvs, regular cars, miniature racing cars, cross-country racing cars, you can think of them.
3. Simple installation: the body induction design, the connecting line bundle spark plug can operate;
4. High-end function: set speed mode at will, maintenance function reminder, system one-click reset.