General description SANNCE 4K 16CH PT PoE Security Camera System is designed for comprehensive video surveillance with 16 PT IP cameras. It features 2-way audio for effective communication and ensures 24/7 video monitoring. The system includes a 4TB HDD for ample storage capacity, making it ideal for both residential and commercial security needs. Technical specifications Camera Resolution: 4K Number of Channels: 16 Storage Capacity: 4TB HDD Audio: 2-Way Audio Power over Ethernet (PoE): Yes Other information