Buy from Amazon : br br AGPtek? AC 110-240V to DC12v 3A 36w Power Supply for Door Access Control System Power Supply br br AC input Standard AC100V-240V 50-60HZ 36W DC output Stabilizator DC12V 3 A br Outside iron shell dimension120mm95 mm38mm br Set NC NO outputs can control various types of electric locks br Note Opening time must set to 0 second when connecting with electric controlled lock Otherwise electric bolt lock would be Burned Down br Package Include 1 x Access Control Power Supply1 x Manual