Digital GPS Backlight Speed Counter it can work on any 2 or 4 stroke gas engine This hour meter record gasoline engine’s total running hours and RPM by getting the induction from spark plug cable. This can be used on top of the tachometer at different engine and machines. It is the ideal rev counter for motorcycle, ATV, PWC, ,Paramotors, Microlights, Marine Engines – Inboards and Outboard. Also use for Pumps, Generators, Mowesr, Model Boats, Motor Cycles, Scooters, Cleaners and Chainsaws.keep records of the maintenance
Backlight Top speed, high speed alerts, odometer, voltage Clock function
Maintenance and replace the oil reminder service flash alarms
Real-time display current Voltage.， no power or ground required
Really easy to install and set up，reads speed and hours accurately.
GPS satellite Positioning to measure and display current speed with MAX Speed recall.