| Make | Everfocus |
|---|---|
| Manufacturer | EverFocus Electronics AG |
| Model code | FH 7421 AT |
| Monitor Type | CRT |
| Effective Screen Size Inches | 21 |
| Color Type | Color |
| Resolution TVL | 500 |
| Signal Mode | PAL/NTSC |
| Dimensions mm | 490 x 474 x 482 |
| Video Input Connectors | 2 x Composite BNC |
| Front Controls | Yes |
| Electrical Specifications |
Power Consumption: 80 W Voltage: 100 ~ 240 V AC |
| Weight kg | 27 |
| Scanning Frequency Hz | 50 ~ 60 |
| Environmental Specifications | Operating Temperature oC: 10 ~ 50 |
| Video Input | 1 Vp-p |