Description: Type: AC / DC power supply Modulation method: pulse width modulation (PWM) Transistor connection: full bridge Input voltage: 100-240V Output power: 36W Output voltage: 12V Output ripple noise: 50-100Mv Output current: 3A Working frequency: 50-60Hz 431 precision voltage regulator Constant current and constant voltage output With overcurrent, overvoltage, overtemperature, overload protection Package Includes: 1Pcs Switching Power Supply Board