IV-6 (ИВ-6) is a 7 segment display luminescent green color glow. Indicator IV-6 is VFD tube, in a glass flask with a soft leads. Anodes device in the form of 7 segments and a decimal dot to the right. Base is 12-wire.

Brightness: (300 – 600) cd/m²;

Filament voltage: (1 – 1.35) V;

Filament current: (45 - 55) mA;

Anode voltage: (25 - 30) V;

Grid voltage: (25 - 30) V;

Anode segments current: < 0.5 mA;

Grid current: <10 mA;

Operating time: > 10 000 hours;

Size of the tube: (40 x 13) mm, (1.57 x 0.51) in;

Character height: 11.2 mm (0.23 in);

Character width: 6.9 mm (0.34 in);

Weight: 11 g.