The DSC ADP1310W-NAU AC Adapter Power Plug is a high-quality power supply designed for security systems. With dimensions of 4" (H) x 2.375" (W) x 2" (D), it is compact and easy to install. This North America Plug is designed to work with inputs of 100-240VAC and 50/60Hz, providing an output of 13.8VDC and 1Amp. The UL model, ADP1310-NAU, is a reliable power source for security systems, and its compact size makes it easy to install in tight spaces.