This 100-240 volt AC to DC adapters is a great solution for longer runs or cameras that have higher power consumption. This AC to DC adapter also can be used for many common electronic components. This switching power adapter is a state-of-the-art switching power supply featuring some major advantages such as, cooler running, stabilized (regulated) output, compact design etc. Compact size, high quality, switch mode regulated power supply. It is center positive and can be used with most 12V Security CCTV cameras.