Aiposen 110/220V to DC12V 40A 480W Switch Power Supply Driver,Power Transformer for CCTV camera/Security System/LED Strip Light(12V 40A) Item Name : Switching Power Supply Driver; Widely used in Industrial automation, Radio, Broadcasting, LED display, communications, Security cameras, Lighting, Computer Input: AC 110-220V /50-60Hz; Output : DC 12V, 40A/480w; Dual input voltage: AC 110V/220V. There is a switch, choose the proper voltage before use. Case Material: Metal;Main Color:Silver Tone; Weight:1350g; Size: 240 x 126 x 70(mm) L*W*H