More and more businesses realize that often 16 Security Cameras may just not be enough. Now instead of being forced to buy another 16 channel DVR, you can connect all your CCTV cameras (up to 32) to a single DVR without loosing quality or performance. We offer 32 channel Standalone Digital Video Recorders capable of recording real time video on all 32 channels. 4-in-1 and 5-in-1 DVRs Support HD-TVI, HD-CVI, A-HD, CVBS and IP with Recording Resolution available up to 8 Megapixel 4K Ultra HD