Features 16 Channel CIF real-time DVR Up to 480 (NTSC) / 400 (PAL) fps recording rate Max. 5 internal HDD (HDD x 5) 500GB Raw Storage PTZ control via coaxial cable [Samsung CCVC, Pelco-C (Coaxitron)] Built-in DVD-RW This product delivers professional-grade performance, reliability, and seamless integration for modern security systems.