Pyramid? Car Audio Ps21kx 18-Amp Supply With Built-in Cooling Fan

Ideal for home, shops and hobbyists s cellular phones, 12-volt DC CB radios, scanners, ham radios, auto sound systems, etc. 115 volt AC, 60 Hz, 450 watt input 13.8 volt DC output 18 amp constant/20 amp surge Built-in cooling fan Screw terminal connectors Fuse protected