STONKAM CO., LTD
Products  > DVRs >  4CH HD DVR
4CH HD DVR
(Model:DV-425)
4CH HD DVR
Features
  • Support 4 channel AHD 1080P input and HD HDMI 1080P output
  • 4x1080P, 4x720P, 4xD1 and 4 mixed-resolution recording,  with 15 seconds pre-recording function
  • Start trigger recording, timer trigger recording, motion trigger recording, G-force trigger recording, over-speeding trigger recording, 8-channel customized alarm input trigger recording, remote control trigger recording
  • 3G/4G/WIFI/GPS tracking technology,platform-side CMS server, IOS, Android and windows Client network client, can achieve real remotely monitoring
  • WIFI support STATION and AP mode; AP mode can support that mobile directly connect to devices, and is easy for preview and configuration at mobile terminal
  • Alarm recording, alarm information, log information, GPS trajectory, real-time videos and pictures remotely automatic uploading, remotely intelligent data analysis and management
  • Various storage types: SD card * 4( max 128GB) can be all supported
  • Support dual stream, sub-stream backup and network transmission
  • Supports Gsensor acceleration sensor,GPS
  • Support touch-screen and infrared remote control
  • Well protected by Super-capacitor
  • Shockproof:MIL-STD 810G
  • Waterproof hard disk box
Specification

System

Operating system

Linux

Operating interface

Graphical menu operation interface(OSD)

Video permission

Administrator & user setting

Video

Video input

Max 4ch 1080P analog high definition

CVBS output

1CH 6pin aviation connector output PAL/NSTC

HDMI output

1CH type-A connector output, 1080P

Video display

1 or 4 CH

Video standard

PAL: 25FPS, NTSC: 30FPS

Compression

H.264 main profile

Total resources

1080P  PAL: 100FPS
NTSC: 120FPS

Audio

Audio input

4 channels

Audio output

1 channel

Record format

Synchronized video & audio recording

Audio compression

ADPCM

Digital processing & storage

Image resolution

4*1080P(1920*1080)

Image quality

1~8 level adjustable

Video bit rate

128kbps~6Mbps/channel

Storage

56~2700MB/(channel*hour)

Playback resolution

4*1080P (encoding & decoding at the same time)

Audio bit rate

32kbps

Storage

SD card * 4, max 128GB

Alarm

Alarm input

8 channels

Alarm output

2 channels

Motion detection

High/middle/low sensitivity adjustable

Interface for communication

IR

1 channel

RS232

1 channel

RS485

1 channel

RJ45

1 channel

USB3.0

1 channel for file backup and firmware upgrade

Wireless

3G/4G

HSPDA/EVDO/FDD-LTE/TDD-LTE module optional

WIFI

optional

WIFI hotspot/AP

optional

GPS

Internal GPS/GLONASS module, coordinate/speed  can be encoded in video stream and upload to server by wireless communication

G-Sensor/Gyroscope

G-Sensor

Software

Windows client

Available

iOS client

Available

Android client

Available

Web portal

Available

Electrical spec

Power supply &      consumption

DC 10~32V, less than 15w(without camera)

Operating temp. & humidity

-20~70 degree/ <80%

Clock

Built-in clock, Calendar

Super Capacitor

Available

Video input impedance

75ohm

Video output voltage

1Vpp CVBS output

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