Scoop's MUPS-17W8.8AH is a DC to DC Micro UPS featuring a selectable 9V or 12V 17W DC output, 5V USB port and 15V or 24V Fast Ethernet PoE output. The Micro UPS remains in-line between your device and the power source regulating the incoming power to prevent damage. In the event of a power outage, switchover to the Micro UPS backup power is instant.