1. The tachometer is completely waterproof
2. Applied to all gasoline engines
3. Inductive design only need to tie the connecting wire to the spark plug to operate
4. The maximum timing range is: 9999.9 hours the maximum speed range: 99999RPM
5. The product is used in 2-stroke or 4-stroke engines
6. LCD display
7. Low voltage design built-in battery power supply safe and reliable
8. Outer packaging: Blister paper card packaging.
9. Single weight 0.07KG
10. Card packaging size 17.5x10x1.8cm