It is a 250W Adjustable Voltage Regulator/Power Supply Modul, Input voltage range: DC6~55V, Output voltage range: 0V~50V, Output current: 0~5A, This constant voltage and constant current programmable control power supply module has many advantages, small size, advanced function, good visual effect, high operability, high-precision, being used independently, being inset into the device and been widely applied.