The 12V 2A Box waterproof AC/DC Power Adapter is a convenient plug-in power source for your security cameras! This AC/DC power supply provides 12 volts and 2 amps. The CCTV Camera Adapter is a CCTV power supply with multiple output channels that are commonly used for home and small business camera systems. Use another hand to grab the concealing wire box cover and pull it downward with a specific force, separating the hiding wire box cover from the main section of the power adaptor. Repair the major portion of the wall. Keep in mind that the wiring terminal side is always on the bottom. After wiring, replace the cover over the main portion. It simply plugs into a single 120V-240V AC outlet and supplies regulated 12V AC/DC to four cameras. The adapter output has standard 2.1mm barrel connectors, center positive, and can be hooked into CCTV power and video cables or directly into a CCTV camera's power harness. This Power Adapter enables the central powering of several cameras while maintaining camera sync and simplifying installation. The 12V 2A Box AC/DC Power Adapter for CCTV Camera has no Warranty.