Digital Chainsaw Tachometer Tach Gauge for Chain Saw Cropper Generator Lawn Mower RV ATV Dirt Bike Motocross Boat Tractor
Easy to operate-Clamp the spark plug wire. Display actual RPM of operation when engine is on. Flash to display Max RPM of operation for 5 second after engine is off.
Used on most gas engines from single cylinder to 16 cylinder engines.
ON/OFF Switch: On Current RPM Mode, Press and Hold the button for 5 Seconds until display shows “OFF” icon, Release the button, Meter will be Turned Off.