Product: Hikvision OEM Turbo HD 4Ch Surveillance DVR System
Brand: Hikvision
Hikvision OEM DVR (Digital Video Recorder) is a new generation recorder developed by Hikvision independently which can connect HD analog/network cameras and provide powerful surveillance.  

 There the exact same products except some packaging and sometimes labeling (OEM PART NUMBER INSTEAD OF HIKVISION AND NO HIKVISION LOGO). Original equipment manufacturer (OEM)

 * Video Compression: H.264
 * Analog and HD-TVI Input: 4Ch HD over Coax 
 * Supported Camera Types: 720p25, 720p30, 720p50, 720p60, 1080p25, 1080p30, CVBS 
 * Audio Compression: G.711u 
 * Audio Input: 1Ch RCA 
 * Video Output: 1 HDMI, 1 VGA 
 * VGA / HDMI Output: 1920x1080 / 60Hz, 1280x1024 / 60Hz, 1280x720 / 60Hz, 1024x768 / 60Hz
 * Encoding Resolution: Main Stream: 1080p(non-real-time) / 720p / VGA / WD1 / 4CIF / CIF; Sub Stream: WD1(non-real-time) / 4CIF(non-real-time) / CIF / QCIF / QVGA 
 * Frame Rate: Main Stream: 1 /16 fps ~ Real time frame rate; Sub Stream: 1 / 16fps ~ Real time frame rate 
 * Video Bit Rate: 32 Kbps - 6Mbps 
 * Dual Stream: Support 
 * Synchronous Playback: 4Ch 
 * Playback Resolution: 1080p / 720p / VGA / WD1 / 4CIF / CIF / QVGA / QCIF 
 * Remote Connections: 128 
 * SATA: 1 SATA Interface 
 * Hard Drive Capacity: Up to 4TB 
 * Network: 10/100Mbps, RJ45 Port 
 * Serial Interface: 1; Standard RS-485 Serial Interface, Half-Duplex 
 * USB Port: 2 x USB 2.0 
 * Power Supply: 12V DC 
 * Operational Humidity: 10% ~ 90% 
 * Demension: 315 x 242 x 45mm (12.4 x 9.5 x 1.8 inch) 
 * Warranty: 2 Year Parts & Labor (LIFETIME FREE TECH SUPPORT)
4 Channel HD-TVI DVR
H.264 & Dual-stream video compression
Support both HD-TVI and analog cameras with adaptive access
Full Channel @720P resolution real-time recording
HDMI and VGA output at up to 1920 X 1080P resolution

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