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| GDV Compact | GDV Camera | GDV Express | |
| Appearance |  |
 |
 |
| Human | 1 finger | 1 finger | 10 fingers |
| Substance | Only water | Different substance with GDV MiniLab | No |
| Number of voltage mode | 1 | 4 | 1 |
| Battery | Yes | No | No |
| Dimensions, mm | 250 х 200 х 130 | 200 х 380 х 130 | 266 х 470 х 130 |
| Weight, kg | 3 | 5 | 7 |