This Dahua all in one 8 channel tribrid DVR HCVR7108H-4M accepts three different types of cameras including IP, CVI, and Analog. With this many choices, you will be covered no matter what camera you may have. With its easy BNC style connections, connecting and setting up your DVR is a breeze. Stream full HD video over coaxial without having to change your existing wires out. ATT: This is a genuine OEM Dahua DVR. Beware of the cheaper Chinese units out on the market which the firmware can?t be upgraded. With our company, you get a 5 year warranty, free US tech support, Fast free shipping, and US stocked product, something our Chinese competitors can?t compete with. Features: 4/8/16 Channel 4MP Mini 1U Digital Video Recorder Embedded processor H.264+/H.264 Dual-stream video compression Support HDCVI/CVBS video inputs Max 6/12/24 channels IP camera inputs, each channel up to 5MP Max 24/48/96Mbps Incoming Bandwidth HDMI output up to 4K(3840x2160) resolution Smart Search and Intelligent Video System Technical Specification: System Main Processor:Embedded Processor Operating System:Embedded LINUX Display Interface:1 HDMI(up to 3840x2160),1 VGA Resolution:3840x2160,19201080, 12801024, 1280720, 1024768 Multi-screen Display:8CH: 1/4/8/9/16 OSD: Camera title, Time, Video loss, Camera lock, Motion detection, Recording Video Detection and Alarm Trigger Events: Recording, PTZ, Tour, Video Push, Email, FTP, Snapshot, Buzzer and Screen Tips Video Detection: Motion Detection, MD Zones: 396 (22 18), Video Loss,Tampering and Diagnosis Alarm input:N/A Relay Output:N/A Playback and Backup Playback:8CH: 1/4/9 Search Mode:Time /Date, Alarm, MD and Exact Search (accurate to second) Playback Function: Play, Pause, Stop, Rewind, Fast play, Slow Play, Next File, Previous File, Next Camera, Previous Camera, Full Screen, Repeat, Shuffle, Backup Selection, Digital Zoom Backup Mode:USB Device/Network Storage Internal HDD:1 SATA Port, up to 6TB capacity eSATA:N/A Auxiliary Interface USB:2 USB Ports (1 USB 2.0 , 1 USB 3.0) RS232:N/A RS485:1 Port, for PTZ Control Audio and Video HDCVI Camera Input:8 Channel IP Camera Input:8+4 Channel, each channel up to 5MP Audio In/Out:1/1, RCA Two-way Talk:Reuse audio in/out, RCA Recording Compression:H.264+/H.264 Resolution:4MP,1080P, 720P, 960H, D1, HD1, BCIF, CIF, QCIF Record Rate:Main stream: 4MP(1-15fps) 1080P/720P/960H/D1/HD1/BCIF/CIF/QCIF (1~25/30fps) Sub steram:D1/CIF/QCIF(1~25/30fps) Bit Rate:1Kbps ~ 6144Kbps Per Channel Record Mode: Manual, Schedule (Regular, Continuous), MD (Video detection: Motion Detection, Video Loss, Tampering), Alarm, Stop Record Interval 1 ~ 60 min (default: 60 min), Pre-record: 1 ~ 30 sec,Post-record: 10 ~ 300 sec Network Interface:1 RJ-45 Port (1000M) Network Function: HTTP, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE,DDNS, FTP, Alarm Server, P2P,IP Search (Support Dahua IP camera, DVR, NVS, etc.) Max. User Access:128 users Smart Phone:iPhone, iPad, Android Interoperability:ONVIF 2.42, CGI Conformant Electrical Power Supply:8CH: DC12V/2A Power Consumption: 15W (Without HDD) Environmental Operating Conditions:-10C ~ +55C (+14F ~ +131F), 0~ 90% RH Storage Conditions:-20C ~ +70C (-4F ~ +158F) , 0~ 90% RH Construction Dimensions:Mini 1U, 325mm255mm55mm (12.8" x 10" x 2.2") Net Weight:1.5kg (3.3 lb) (without HDD) Gross Weight:2kg (4.4lb) Installation:Desktop installation Certifications Certifications:FCC: Part 15 Subpart B ICES 003 Issue 6 CE: EN 55032: 2012+AC:2013 (Class B) EN 55024 : 2010 EN 61000-3-2 : 2014 EN 50130-4: 2011 EN 61000-3-3 : 2013 Disclaimer: Dahua is the 2nd largest OEM manufacturer in the world. Most of Dahua product sold in the US are the non-branded OEM versions. The non-branded product is the exact same item, but the Dahua logo is removed and they use a different OEM part # on the sticker. We are able to get non-branded versions at lower costs and therefore offer our customers lower prices. The product that you order is manufactured by Dahua and carries their 5 year warranty.