PS-820 (4-CH H.264 DVR)



  4-channel D1 (720x480) H.264 image processing engine
Real Time 30 fps Video recording, play back and live view
Record to single file with 4 channel display.
5 minutes for a file and cyclic recording (old files replaced by new files)
Gapless recording between files
Camera signal detection and warning when no signal
channel audio recording and playback
SD/SDHC/SDXC memory card with capacity up to 64GB
Built-in 3-axis G-sensor
GPS receiver interface
Record G-sensor and GPS signals with video/audio data
Extended recording (30 secs, 3mins, 10 mins, 1 hour, 2 hours) after turning off car power
Provide power for cameras
Reverse/Left/Right turn signal detection and switching display accordingly
Can use USB disk as the storage media, no disk space limit.
Split windows to show 4 channels simultaneously or single channel display
Composite video baseband signal (CVBS) output
IR Remote control
Touch screen interface (please contact ProSense for detail)
Can plug in 3G/4G USB dongle to connect and report GPS data to server as a GPS tracker
Firmware upgrade by SD card


Function Specification                                              

Video Recording Format

H.264 High Profile compression technology

Video Frame Rate (fps)


Video Resolution

1440 x 960 (4 D1)

Audio Recording Format


Recoding Behavior

Start recording after POWER_ON and stop recording by user defined time extended option after POWER_OFF

Storage Type

SD/SDHC/SDXC memory card, up to 64GB

USB disk, no space limit.

Display Layout

4 split windows or single channel display

GPS signal

NMEA 0183. 9600bps. Support track record and automatic time adjustment


Built-in 3-axis high sensitivity G-sensor

Reverse/Left/Right Trigger Signal Detection

Detect the change of driving direction and switch appropriate video signal to whole screen automatically

Video Signal Loss Detection and Warning

Monitor video signal of all channels and emit beeping alarm when video signal is lost

Recording Gap

Gapless between files


English, Chinese (Traditional), Chinese (Simplified), Japanese


Embedded Linux

Firmware Upgrade

By SD card

LED (red)

On (system on), Off (system off), slow flashing (record file in protecting), quick flashing (storage error)

General Specification                                              

Video Input / Output

CVBS, 1Vpp, 75 ohm

Audio Input


Audio Output


Trigger Input / Output

High active

Remote Control

IR remote control

Touch Screen Interface

Optional (please contact ProSense for detail)

Power Supply

9 ~30 V DC

Power Consumption

2W @ 12V DC ( exclude camera power consumption)

Operating Temperature

-10 ~ 70


118 * 95 * 27 mm


115 g