| Feature | DY-0403 | DY-0812 | DY-1612 | DY-1624 | DY-1648 |
| Camera Input | 4 channels | 8 channels | 16 channels | 16 channels | 16 channels |
| Audio Input | 1 channels | 4 channels | 4 channels | 8 channels | 8 channels |
| Display Speed | 30 fps | 120fps | 120fps | 240fps | 480fps |
| Recording Speed | 30 fps | 120fps | 120fps | 240fps | 120fps |
| Video Partition | 1,4 splits | 1,4,8 splits | 1,4,7,9 splits | 1,4,7,9,16 splits | 1,4,7,9,16 splits |
| Monitor output | VGA, Composite | ||||
| *Sensor Input | 4 channels | 8 channels | 16 channels | 16 channels | 16 channels |
| *Control Output | 2 channels | 2 channels | 8 channels | 8 channels | 8 channels |
| Common Feature | |||||
| Video Resolution | 640 X 480, 640 X 240, 320 X 240 | ||||
| Quality Control | 5 Level of controlling | ||||
| Size of image | 1.5kb(320*240, Medium level) | ||||
| Video Compression | MPEG4 | ||||
| Output resolution | Over 400 TV Line (1 screen) | ||||
| Playback Display | Multiple camera views on the screen simultaneously | ||||
| Network | LAN, Cable Modem, ISDN, PSTN, PPP(Dial up) | ||||
| Data Back Up | HDD, CDRW | ||||
| Remote Control | RS232 (PAN/Tilt/Zoom/IRIS) | ||||
| Watchdog | available | ||||
| Remote viewing | Client software, Internet Explorer | ||||
| * available in rack-mountable systems only for all 16ch models | |||||
| 16ch DVR software (v.4.1.1.1) | |||||
| 16ch DVR software v. 4.2.0.0 | |||||
| DY-1612X, v.6.0000 | |||||
| X-DVR searcher | |||||
| Monitoring software | |||||