ZSB-03 Chain Saw Tachometer Gasoline Engine Lawn Mower High Tachometer Digital Display Induction Pulse Tachometer

1. Suitable for off-road motorcycles, karts, ATVs, chainsaws, lawn mowers, etc.
2. The battery is easy to replace and can be used for a long time
3. Replaceable battery, reset button, speed mode setting
4. Hand-held induction, wire clamping induction, easy to use
5. Power supply: 3V
6. Purpose: can measure high speed
7. Power supply: built-in CR2450 button battery
8. Size: 46x57mm