A microelectronic device on an optical reflector generates 4 types of aiming marks. Manual adjustment of the illumination brightness of the sighting mark (16 gradations). The set brightness type and level are stored in the "memory". It has high durability and is designed for firing from smoothbore and rifled weapons with powerful cartridges, including 12-gauge. Operational discrete adjustment of aiming angles and lateral corrections. Lightweight, impact-resistant, sealed housing eliminates moisture and dust ingress. It is easily and quickly installed on the standard weapon bar using a standard clamping device.