6-Port 10/100M PoE Switch with 4 POE Ports Unmanaged Desktop Switch, support 4-port IEEE 802.3at PoE+ Injector (Port-1 to Port-4), Supports PoE power up to 30W for each PoE port, CCTV Mode (Transmit distance up to 250m at 10Mbps), Fanless, ±4KV Surge Protection, Steel case, Watchdog, 60W internal