






| Model | KG-904 | KG-902 | KG-901 |
| Video Input | 4,8,12,16 cams | 4,8 cams | 4,8 cams |
| Audio Input | 4 Channels | 2 Channels | 1 Channels |
| Frame Rate | 100 fps ( PAL ) | 50 fps ( PAL ) | 25 fps (PAL ) |
| Video Resolution | D1 ,Half D1 ,CIF | D1 ,Half D1 ,CIF | D1 ,Half D1 ,CIF |
| Watch Dog | Support | Support | Support |
| Multi-Card Stack | Support | Support | Support |
| ○ | OS Support: Windows 2000 / Windows XP |
| ○ | Motherboard: Intel Chip recommended |
| ○ | CPU: Celeron 2.0 GHz or above |
| ○ | VGA: ATi Radeon 9200 64MB or Nvidia,GeForce ;FX-5200 64MB above. |
| ○ | RAM: 256MB or above |
| ○ | Ethernet Card: 10/100M Ethernet card |
| ○ | HDD: 80GB HDD or above for long time recording is recommended |
| ○ | Power Supply: One HDD(250W), Two to Three(HDD 300W), Three to Four(HDD 350W), Four to Five HDD(400W), Five or more(460W) |
| ○ | DirectX: Minimal Microsoft DirectX 9.0c or higher version. |