| Model NO. | ES-2204 |
| Operating System | Embedded Linux OS |
| Video Compression Format | Main Profile H.264 |
| Video Input | 4 Channels BNC |
| Video Output | 1 Channel BNC, 1 Channel VGA (1280*1024) |
| Audio Input | 4 Channels RCA |
| Audio Output | 4 Channel RCA |
| Alarm Input | 4 Channels |
| Alarm Output | 1 Channel |
| Display Picture | 1/4 |
| Multiplex Operation | Live\Display\Playback\Recording\Backup\Mobile Phone Surveillance \Network simultaneously |
| Display Resolution | PAL: D1 (704*576), NTSC: D1 (704*480) (All Four Channels) |
| Recording Mode | Manual\Timer\Motion Detection\Alarm |
| Recording Frame Rate | D1@100fps, HD1@100fps, CIF@100fps Adjustable |
| Recording Resolution | PAL: D1(704*576), HD1(704*288), CIF(352*288); NTSC: D1(704*480), HD1(704*240), CIF(352*240) |
| Recording Playback | 1/4 channels playback simultaneously (Optional playback channel) |
| Recording Backup | USB, Moved Hard Disk, USB Writer, Network |
| Network Transmission | 4 channels real-time network transmission with CIF resolution |
| Recording Play | Special player, Support AVI file format conversion |
| JPEG Capture function | Support, 3M Pixels@10fps |
| Email Alarm | Send pieces to the designated email |
| PTZ | Support PELCO-D & PELCO-P |
| HDD | Support 1 SATA HDD, Capacity to 1TB |
| Network and Protocol | 1 RJ-45 10/100M via Ethernet, Support TCP/IP, PPPOE, DHCP, DNS, DDNS, NTP, UPNP |
| IE Browser | Support |
| Client Software | Support |
| Dual Stream | Support (Main and secondary interchange) |
| Group play | Support maximum five users online access |
| Watermark | Support |
| Multi-language | Support |
| Mobile Phone Surveillance | Support Windows\Symbian\ iPhone\Blackberry Operation System |
| Mouse Interface | USB2.0 |
| Backup interface | USB2.0 |
| DST | Support |
| Power | DC12V/3A |
| Working Temperature | 0?-50? |
| Working Humidity | 10%-90% |
| Dimension | 354(W)×230(D)×45(H) |