Features 16CH 4CIF 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)] DVD-RW Support for smart phone This product delivers professional-grade performance, reliability, and seamless integration for modern security systems.