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DVRCM4 - 4 Camera H.264 Network Embedded DVR with USB backup
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Product Options
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Product Includes:
- 4 Channel DVR w/ Built In Monitor
- USB Mouse
- Remote Controller
- Software CD
- Printed Manual
- Power Adapter
Features:
- 4 Channel Video / 2 Channel Audio
- Triplex (Recording, Playback, Network all at the same time)
- H.264 Compression
- Remote Viewing
- Real Time Display
Specifications:
| Operating System |
Embedded LINUX |
| System Resources |
Triplex function: Recording, playback, & network |
| Control Mode |
Front panel, USB mouse, IR remote control, Keyboard, Network |
| Video Input / Output |
4 channel (BNC, 1.0Vp-p, 75Ω) / 1 TV (BNC, 1.0Vp-p, 75Ω), 1 VGA |
| Audio Input / Output |
2 channel, BNC / 1 channel, BNC |
| Display Split |
1/4 |
| Display Resolution |
720x480 |
| Video / Audio Compression |
H.264 / ADPCM |
| Recording Resolutions |
D1/4CIF (704×480) / HD1 (704×240) / CIF (352×240) |
| Recording Speed |
120fps (CIF), 30fps (D1) |
| Recording Mode |
Manual, Schedule, Alarm, Motion Detection |
| Alarm Input / Output |
4 Channel / 2 Channel |
| Search Mode |
Time/Date, Alarm, Motion Detection & Exact search |
| Playback Functions |
Play/Pause, Stop, Fast play, Slow play, Frame by Frame, etc. |
| Backup Mode |
USB 2.0, Network |
| Ethernet |
RJ-45 port (10/100M) |
| Remote Operation |
Monitor, Playback, Recording, System Setup, Archiving |
| Hard Disk |
1 SATA port (1 terabyte max) |
| USB Interface |
2 ports (1 for mouse control, 1 for backup) |
| RS485 |
PTZ control |
| Power Supply |
12V DC, 3A dapter |
| Power Output |
12V DC, 4ch × 300mA |
| Working Environment |
-5°C ~+40°C / -23°F ~+104°F |
| Dimensions (W*H*D) |
7.75in × 5in × 13.5in / 197mm × 127mm × 343mm |
| Weight |
Appx. 8 lbs / 3.6 kgs |
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Storage Capacity:
At the maximum frame rate (30 fps) this DVR will use approximately 5 to 7 gigabytes of hard drive space per camera, per day. Therefore, on a 500 gig hard drive with all 4 cameras hooked up you can store about 18 to 24 days of recorded video. The use of record time scheduling and motion detection can extend the recording capacity up to twice this amount. You may also tune down the record frame rate to increase your recording capacity (however this may affect video picture quality). Once the hard drive is full the unit will start recording over the oldest video.
You may upgrade the HDD storage on this machine up to 1000 gigabytes (1 terabyte).
Please keep in mind that actual storage capacity varies greatly based on many factors including the resolution and imaging chip size of each camera, the amount of motion in the field of view, and of course the selected DVR features and settings such as the frame rate, scheduling, and motion detection. Recording audio will also use up storage space (approx 1-2 gigs per audio input per day).
Be careful when comparing our storage capacity to other DVRs. Often times other manufacturers will claim that their DVR will allow you to store months of video. Be aware that they may be assuming that the frame rate is turned all the way down to one frame per second which is not a practical setting to use.
Note: The storage capacity using H.264 (aka MPEG4+) video compression is similar to MPEG4. However the big improvement of this newer technology is in its image quality, especially at higher resolutions such as full D1. In plain terms this means that you may use slightly more hard drive space for H.264 but when playing back recorded video you will notice a clearer picture especially when viewing full screen.
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