GY14 Self Powered Engine Digital Tach/Maintenance/

GY-14 Auto Speed Measuring Instrument/Speedometer/LCD Engine Tachometer&Hour Meter is self-power LCD.Material:ABS. Certificate: CCC. Large5digital LCD display Low cost and small size No power required Solid state electronics Quartz crystal Wide operating temperature range High reliability Standard is resettable, non reset version is available from factory Indicates operation in RPMs and hours Easy to install. Made in the China.GUANGYA is proud to present the new series GY14 self-powered digital tach/maintenance/hour meter. The GY14 keeps track of true engine RPM and running time for all types of gasoline engines. The unit is powered by an internal lithium battery. No external power connections are required. The Operation of the tach/hour meter is triggered by 5.5 ft. shielded and external lead, wrapped around the spark plug wire of the engine since the unit is triggered by the spark of the engine, the hours and the RPM display actual operation. This is useful for maintenance and warranty applications for any type of engine powered machinery .The maintenance meter is used to alert maintenance personnel that a time interval has expired and maintenance should be performed on the engine.Before changing any settings to the ENGINE MONITOR,ensure that the engine is off.