Hikvision 4-port switch

4 PoE ports at 10/100 Mbps speed: for connecting and powering supported devices via Ethernet such as cameras and network devices. Total PoE power budget of 45 watts: to efficiently supply power to connected devices. Support for VLAN 802.1Q technology: to improve network layout and health. Support for PoE Watchdog technology: to detect and restart unresponsive cameras. Support for STP/RSTP technology: to prevent loop formation in the network. Cable discovery: to easily identify fault locations. Long-distance power transmission up to 300 meters: allows connecting devices over long distances. Lightning protection of 6 kilovolts: to ensure protection of connected devices from electrical shocks.