110V/220V AC; Output: DC 12V, maximum 50A, output voltage adjustable by 15%. Three sets of output channels.(110V/220V must be by switch before using to avoid damaging) Great for LED Strips, 3D Printer, ham radio transceiver, CCTV cameras, audio amplifier, wireless router, heater, HUB, air compressor power supply. Indoor use only. Automatic overload cut-off, over Voltage cut-off, automatic thermal cut-off, short circuit protection. Built-in cooling fan and temperature detector. When the operating temperature is reached, the cooling fan automatically runs to maintain good performance of the device. All-aluminum metal shell, efficient entry into the air outlet. Before wiring and adjusting the voltage, do not power on the machine, and do not allow the machine to operate at a current exceeding the rated current! The operating current should be less than 90% of the rated current., Weight: 1.69094554954 pounds, Manufacturer: Ehwisbe