Features 16CH 4MP Analog HD DVR 16CH 4MP AHD DVR TVI, CVI (Max. 2MP), analog camera input Up to 240 / 200 (4MP)fps recording rate Up to 480 / 400 (1080p)fps recording rate HDMI/VGA video output 4CH audio input / 1CH audio output Up to 2 internal HDDs (Max.12TB) Coaxial cable (Pelco-C, ACP) Smartphone support This product delivers professional-grade performance, reliability, and seamless integration for modern security systems.