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.