1. 2-in-1 Speedmeter & Hour Meter Function
This digital device combines a tachometer (RPM gauge) and an engine hour meter in one compact unit. Monitor real-time engine speed while tracking total operating time for maintenance scheduling.

2. Clear LCD Display for Easy Reading
Features a large, backlit LCD screen that shows RPM and hours clearly, even in low light conditions. The display is easy to read at a glance, helping you monitor engine performance while working.

3. Compatible with Gasoline 2-Stroke & 4-Stroke Engines
Works perfectly with most gasoline engines, including 2-stroke and 4-stroke models. Ideal for boats, motorcycles, chainsaws, lawn mowers, tractors, generators, outboard motors, and snow blowers.

4. Easy Installation & Self-Powered
Simple to install – just wrap the感应 wire around the spark plug cable. No external battery required for most models; the device powers itself from the engine's ignition pulses. Comes with complete mounting accessories.

5. Essential for Engine Maintenance & Performance
Monitor RPM to optimize engine tuning and fuel efficiency. Track operating hours to know exactly when to change oil, replace spark plugs, or perform other maintenance. Extends engine life and prevents costly breakdowns.