ESiR , a well-known high-quality internal release group for the HDbits tracker.

MKV (Matroska Video), which supports multiple audio and subtitle tracks. Viewing Options

x264 (H.264/MPEG-4 AVC), commonly used for high-efficiency video compression in MKV containers.

Sony Pictures Entertainment (TriStar Pictures). Technical Details of This Release

Contains both Russian (Rus) and English (Eng) audio tracks, typical for releases targeted at international or Russian-speaking audiences.

Based on the file naming convention, here are the technical specifications for this specific version: