DVR16-4580 16 Channel Digital Video Recorder * Video Input: 16 channels * Video Output: VGA, HDMI * Display Resolution: Up to 1080p * Audio Input: RCA x 4 * Audio Output: RCA x 1 * Recording Resolution: Up to 3MP * Included Hard Drive Size: 1TB * Network Interface: RJ45 x 1 * USB Interface: USB 2.0 x 2, USB 3.0 x 1 * Computer Operating System: Windows, Mac OS * Smartphone App: Swann Security App * Handheld Device Supported: iOS, Android, 4G/5G Smartphones & Tablets * Dimensions: 8.45" x 11.81" x 1.85" /215mm x 300mm x 47mm * A advanced surveillance camera 4 pack with high Definition 720P video resolution * Seeing is believing with 720P HD cameras (1 Megapixel) perfect for seeing close up detail such as faces, clothing and hair colors, Car Makes and models and more * Latest Infrared cut filter for amazing night vision to 82' for amazing clarity in low light * Sturdy aluminum camera construction suits indoor and outdoor applications with IP67 rating for any weather conditions * These cameras can only be Used in combination with Swann’s professional HD digital video recorders