TEG1005D Integrated with professional a lightning protection circuit that offers 4KV lightning protection to each port to effectively prevent lightning-induced current from damaging the ports or switch, so as to ensure the surveillance system stability. Lightning protection for each port Integrated with a professional lightning protection circuit that offers 6KV lightning protection to each port to effectively prevent lightning-induced current from damaging the ports or switch, so as to ensure the surveillance system stability. Extraordinary heat dissipation A housing made from 0.8 mm galvanized industrial-grade steel plates for excellent durability has a good heat dissipation performance, which can ensure stable switch operation, a long service life, & more reliable outdoor security surveillance. Stay connected for 7x 24 hours 5 * 10/100/1000 Mbps auto-negotiation RJ45 ports that support wire-speed forwarding & large-capacity cache, ensuring smooth surveillance video playback & stable data transmission for 7x 24 hours. User-friendly design RJ45 ports & LED indicators are located on the same side & aligned vertically for more intuitively showing network status. The RJ45 ports & the power port are designed in the same orientation to reduce the mounting space requirement, allowing the switch to fit into the slimmest outdoor weak current box.