VideoSecu 4 Pack 12V DC 500mA Regulated Power Supplies AC to DC Power Adapters for Security Camera CCTV DVR Surveillance System WVV Compact size, high quality, switch mode regulated power supply Output: DC 12V 500mA. Input: AC 100V-240V, 50/60Hz, 0.5A UL approved, top quality. Great for most 12V security cameras 6ft long cord with 2.1mm center positive jack AC to DC adapter can also be used for many common electronic components