Multiple Induction Methods: The chainsaw tachometer supports clip mount induction and handheld gesture induction, the sensing distance is 3cm-5cm/1.18inch-1.97inch.RPM Meter and Hour Meter: Speed range: 0-30000rpm, timing range: 0-9999.9h.LCD Display Screen: The tach gauge speedometer adopts a LCD display screen, the data is clear at a glance and easy to read.High Performance: Small engine tachometer, low voltage and low power consumption, has a long standby time, waterproof and shockproof.Wide Applications: The digital chainsaw tachometer is suitable for 2 stroke and 4 stroke engines, suitable for the chain saw, cropper generator, lawn mower, RV, ATV, motocross, boat, tractor, etc. Specification: Material: PPTiming range: 0-9999.9HSpeed range: 0-30000RPMDisplay mode: LCDVoltage: DC 3VInduction line length: 1m Size Chart: 5.2cmx4.66cmx1.9cm/2.05inchx1.83inchx0.75inch Package Includes: 1x Chainsaw Tachometer 1x Clip Note: Please allow slightly errors 1-2cm differences due to manual measurement.