Q-See 4-Way Splitter w/ 12V, 3A (3000mA) Power Supply, MPN CS-1203000
This power supply supports 12 volt CCTV surveillance equipment.  Keep your security camera powered up at all times for your peace of mind with the Q-See 12 volt, 3 AMP power adapter. This high-quality and durable Q-See power adapter is made especially for security cameras, and is compatible with all DC powered cameras. It is UL approved, and has a efficiency level of 5 (V). The connection tips are CCTV standard, 2.1mm interior and 5.5mm exterior.