Motorcycle tachometer timer

Features:
1. Works on all spark ignition engines by selecting engine type using S1 and S2 buttons.
2. One is to be wrapped around a for spark plug wire and the other is a ground wire.
3. Wide operating temperature range.  

Purpose: to measure speed

Voltage: 3 (V)

Power: 0.002-0.03 (W)

Size: about 52*46.8 (mm)

Colour: Black

Applicable models: Motorcycle lawn mower

Display screen: LCD screen display

Battery life: 2-3 years  

Power supply: Inductive design, only need to tie the connection cable to the spark plug to work