Suitable for all kinds of eletric locks, NC/NO output Shenzhen Brightness Electronics Technology Co., Ltd. provide you high quality products and good service. (BTS-303A) Access System Power Supply is suitable for all kinds of electric locks. Features:1.Input: 220VAC2.Output: 12VDC/3A 3.Dimension: 180*77*77mm4.Suitable for all kinds of electric locks, NO/NC output