Perfect for home, shop and hobbyist. Input 115v ac, 60hz,100 watts. Output 13.8v dc. 6 amp constant/8 amp surge. Powers cell phones, 12v dc cb radios,scanners,etc. Screw terminal connectors. Electronic overload protection w/auto reset. Short circuit thermal protection. Fuse protected. Linear power supply. Heavy duty cabinet heatsink w/anti-skid rubber feet. Dimensions:7.48''l x 4.92''w x 3''h.