Check the listing for details. 1200W Low Rpm Copper Permanent Magnet Alternator 12V Synchronous Generator PMA. Color: Blue, Condition: New. Listed at 52.69 USD. Product Description: ★ Permanent Magnet Silicon Rectifier Generator Is a Combination Of Excitation Silicon Rectifier Generator And Permanent Magnet Constant Voltage Alternator. ★Adopting Magnetic Strip Rotor, Generator's Own Rectifier And Full-Wave Voltage Stabilizer, Which Not Only Reduces The Cost, But Also Improves The Generator Power, It Is a New Generation Product. ★Pure Copper Material, Built-In Voltage Stabilizer, Dual-Purpose Charging And Lighting ★This Product Can Be Used For Ac. The Wiring Method Is To Connect The Positive Pole Of The Battery To The Generator "+" Through The Live Wire Controlled By The Button, And The Negative Pole Can Be Grounded For Charging And Lighting. Features: Shell Material: Aluminum Internal Winding Material: Copper Voltage: 12v Power: 1200w.