Compatibility: dual sound speaker mount brackets built to be mounted on ceiling or wall for maximum compatibility for most bookshelf satellite speakers Universal design: ideal for home theaters, offices, Living rooms, bedrooms, Studios, schools, dorms, events, houses, public areas, hotels, lobbies, etc. Sturdy construction: the modern design is complemented by a sleek reinforced Black coat for a contemporary appearance. Max. Capacity: 7.7 lbs. (3.5kg). Installation: mount the speaker holders to stud, concrete or Brick/stone walls in minutes. Package includes: 2 x WALI speaker wall mount brackets, 1 x mounting hardware kit, 1 x user manual, experienced and friendly US based customer support available to assist 7 days a week.