The CVR4V3 is a compact 4 channel HDCVI (high definition composite video interface) DVR capable of 1080p full HD and 720p HD recording over coaxial cable. It features a single internal SATA port for up to 4TB of HDD storage and has HDMI and VGA video outputs. This DVR also features comprehensive remote view capabilities (iOS, Android & Windows Phone) and backup functionality (USB/network).Victory Series DVRs are the ideal HD video over coax solution, utilising the HDCVI video transmission standard to deliver video, audio and control data across a single coaxial cable. Thanks to this technology, the CVR4V3 offers reliable, long distance, full HD 1080p video transmission up to 300m with low latency and excellent anti-interference properties (720p up to 500m / using 75-3 coax).Victory Series systems can also be implemented into an existing analogue system without having to re-run coaxial cable, making traditional analogue to megapixel HD-over-coax CCTV upgrades easier than ever before.When recording at 1080p, the CVR4V3 delivers more than five times the image resolution compared to traditional D1 (720 x 576) analogue systems and over 20x vs CIF systems (352 x 288). Go beyond analogue, capture fine detail and ensure you have usable evidence when it matters most. Specifications Warranty (Years) 4 Alarm Input 4 channels Alarm Output 3 channels Audio Input 4 channel RCA Audio Output 1 channel RCA Backup Modes USB Device / Network Bit Rate 96~4096Kb/s Camera Configuration (Coaxial) 4 channels up to 960H/25fps (analogue) / 1080p/12fps (HDCVI) Camera Configuration (IP) 2 channels up to 1080p/12fps (substitutes coaxial) Dimensions 325mm x 255mm x 55mm (1U) Display Resolution 1920× 1080, 1280× 1024, 1280× 720, 1024× 768, 800× 600 Display Split 1 / 4 Ethernet RJ-45 port (10/100M) Internal HDD 1 SATA port, up to 4TB Main Processor Embedded processor Max. User Access 128 users Network Functions HTTP, IPv4/IPv6, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP, P2P, IP Filter Operating Environment -10 ~+55°C / 10~90%RH / 86~106kpa Operating System Embedded Linux OS OSD Menu Camera title, time, video loss, camera lock, motion detection & recording Power Consumption 10W (without HDD) Power Supply DC12V/2A Privacy Masking 4 rectangular zones per camera Record Interval 1~60 min (default: 60 min) / Pre: 1~30s / Post: 10~300s Record Modes Manual / Schedule (Regular [Continuous], MD) / Stop Record Rate Main: 1080p (1~15fps), 720p (1~25/30fps) / Sub: D1 (1~6/7fps) Record Resolution 1080p (1920 x 1080) / 720p (1280 x 720) Remote View iOS (iPhone, iPad); Android devices, Windows Phone RS232 N/A RS485 1 port, for PTZ Control Search Modes Time/Date; Motion detection; Exact search (to the second) Sync Playback 1 / 4 Trigger Events Recording; PTZ; predefined tour; push video notification; email notification; FTP upload; internal buzzer; and screen tip overlay Two-way Talk Reuse channel 1 audio input/output USB Interface 2 ports (1 Rear), USB2.0 Video Detection Motion detection (zones: 396 [22 × 18]) / Video loss / Camera blank Video Input 4 channel BNC Video Output 1 HDMI / 1 VGA Video/Audio Compression H.264 / G.711 Weight 1.5kg (without HDD)