The sights are designed for battlefield surveillance and aimed firing from the AK 74 M and AN 94 assault rifles and SVD and SVDS rifle by day and by night.
— 1PN100 for the 5.45-mm AK 74M and AN-94 assault rifles:
— 1 PN 114 for the 7.62-mnn SVD and SVDS rifles.
The 1 PN 100 and 1PN114 sights differ in values of sighting angles on the reticles.
The sights can operate at an ambient temperature from minus 50°C to plus 50 °C and a relative air humidity of up to 100% at a temperature of 25 °C.
— Gen 3 Ills;
— the sights are switched from the "day" position to the "night" position by a single knob without shifting of the line of sight;
— sighting angles are set using the reticle;
— the sights come complete with a boresighting tube, a device for determination of the state-of-charge of the batteries and with a battery charger;
— availability of individual group and repair SPTA sets.
Chief Designer: N. A, Lyamets.
Developed by: Tochpribor Central Design Bureau, Novosibirsk.
Manufactured by: NPZ Optics State Plant.