Number of Ports: 24 PoE ports at 10/100M for simultaneous data transmission and power supply. Smart PoE Technology: Supplies cameras with electricity via the network cable without the need for external power sources for each camera. Long Range Transmission: Supports data and power transmission up to 300 meters on some ports. High Protection: Equipped with a lightning protection system and voltage surge protection (Surge Protection 6KV). Smooth Video: Specially designed to handle live video data transmission for cameras without interruption (Video Transmission Design). Device Status: New in the box with all its packaging and accessories (as shown in the pictures).