Sphere-02 is an autonomous gyrostabilized optical-electronic observation system. The turret of Sphere-02, is a device for installation on a ship's deck; it is designed for 24-hour and all-weather observation of shore, above-water and air space through television and infrared imaging channels.

The modernized antenna post is designed for stabilization and 360-degree rotation of radar channel of Bagheera-М (МR-123-02/03-04) system.

TOI is an optical-electronic observation instrument for ships' radar antennas. The instrument is an additional back-up providing visual observation in the direction on the antennas directional diagram axis.