5 Wires Voltage Regulator Rectifier Fit Motorcycle Moped Scooter ATV Boat Motor Mercur an so on.

Voltage: Fit 12V Battery and Bulb, Light.
Color Available: Silver

More Technique Specifications as Reference:

AC Input Voltage: 20-60V
Unloading Output Voltage(Idling): 12.5~13v±0.5v
Charging Output Current: 0 - 4A
With Battery Charging Voltage: 14~14.5±0.5V
Working Temperature: -20°to 60°

HOW TO WIRE IT:
black to key switch
red to + out put(battery +)
green to ground ie - (Minus)
the other 2 wires, yellow and pink, AC input, connect to magneto coil.
Package Included: 1 x Rectifier