Digital Chainsaw Tachometer tach gauge for Chain Saw Cropper Generator Lawn Mower RV ATV Dirt Bike Motocross Boat Tractor and any other gas engine powered device.
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.
Tachometer capacity 25,000 RPM, RPM accuracy: 10 RPM. RPM refresh rate: 0.5 second.
Can Be Used On Most Engines From Single Cylinder Up To V8 Gasoline Engines.
ON/OFF Switch: Press and Hold the button until Display shows "OFF" icon, Release the button, Meter Will be Turned Off. Press the button again, the Display will be Turned On.