Over Voltage Protection and Over Current Protection. ^^The power supply turns out to be small in size, featuring high stability, low ripple noise and low power consumption. ^^Applicable to LED Strips, 3D Printer, ham radio transceiver, CCTV cameras, Display device, audio amplifier, wireless router, audio/ video power supply. ^^Switching Power Supply intelligent devices have overload, over-voltage and short-circuit protection, low power consumption and high efficiency in standby mode.