HDE Wall Plug Passive POE Injector Autoranging Switching 48V-0.5A Power Supply for Most Cisco / Foscam / Polycom / Hikvision / Aastra IP Security Cameras and Phones Provides remote power to equipment through CAT 5 Ethernet cable up to 100M Autoranging switching power supply 100~240V Short circuit, over-current, and over-voltage protection Reliable 24W passive POE output Compact, portable size with convenient wall plug design