Stable output voltage at 12V,better performance than most linear power supplies sufficient momentary current to drive mojarity electric locks in the market 0 to 20 seconds time delay adjustable Small and light Input:100-240VAC 50Hz/60Hz Max Continuous Current :3.5A Application:electric locks,very stable in facial recognition access control system Power Rating:42W Overload Protection:105% to 200% overload automatic protection>5A over current automatic protection