Fit for motorcycle and boat motors, DIY engines and so on. The rectifier outputs about DC14.5 voltage can charge for 12v lead acid battery and supply power for 12v bulb and so on. The rectifier comes with free wire adapter connect cable. AC Input Voltage: 20-60V Max Watt: 55W 4 Wires, Green= Ground, Red= Power to the accessories/battery, Pink and Yellow = to the rotor/magento stator/generator Package Included: 1 x Regulator Rectifier 1 x Connector with Cables 1 x Wiring Instructions This is a brand new Voltage Regulator Rectifier fit for motorcycle and boat motors, DIY engines and so on. The rectifier outputs about DC14.5 voltage can charge for 12v lead acid battery and supply power for 12v bulb and so on. The rectifier comes with free wire adapter connect cable. Specifications: Fit 12V Battery, Bulb, Light and so on Color Available: Black AC Input Voltage: 20-60V Unloading Output Voltage (Idling): 12.5~13v??0.5v Charging Output Current: 0 – 4A With Battery Charging Voltage:14~14.6??0.5V Working Temperature: -20??to 60?? Cable Wire: Red to Battery +, Green to Battery -, Yellow and Pink AC input, connect to magneto coil. Please Note: This regulator rectifier has to work together with a 12V battery. If without 12v battery, the output voltage will be much higher. Package Included: 1 x Regulator Rectifier 1 x Connector with Cables 1 x Wiring Instructions