Hikvision 28-Port Gigabit Unmanaged Hi-PoE Switch, 20 × gigabit PoE ports, 4 × gigabit Hi-PoE ports, 2 × gigabit RJ45 ports, and 2 × gigabit fiber optical ports, 6 KV surge protection for PoE ports, Up to 300 m long-range transmission, 3 year warranty