Hikvision Smart Managed 24-Port 100 Mbps PoE Switch, 24 × 100 Mbps PoE RJ45 port, 2 × gigabit combo, IEEE 802.3at/af standard for PoE ports, Network topology management, alarm push, network health monitor, 6 KV surge protection for PoE ports, AF/AT camera can reach up to 300 m in extend mode, 3 year warranty.