| Make | Vicon |
|---|---|
| Manufacturer | Vicon Industries |
| Model code | VM621-4 |
| Monitor Type | CRT |
| Effective Screen Size Inches | 21 inch |
| Colour Type | Colour |
| Resolution | 450 |
| Signal Mode | PAL/NTSC |
| Housing Material | Steel |
| Built-in Speaker | Yes |
| Dimensions mm | 502 x 425 x 508 |
| Front Controls | Front Controls |
| Environmental Specifications | Operating Temperature oC: 0~40 |
| Audio Connectors | 1 x RCA |
| Weight kg | 26.7 kg |
| Rear Controls | Rear Controls |
| Electrical Specifications | Power Consumption: 90 |
| Video Input | 1.0 Vpp |