DSLRKIT 12V 72W 8 Ports 6 PoE Injector Power Over Ethernet Switch 4,5+/7,8- | eBay
Amazon.com: LINOVISION DC12V POE Injector with DC 12 Volt to POE 24V/48V Voltage Booster, POE for Solar/Vehicle, or act as UPS POE Switch Supports AC110V Input and Backup Battery, Stopless POE Power