Feature:1. Aluminum Rental cabinet 500mm x 500mm with 7.5kg/ps. 2. Video synchronization,Website:http://www.ledporstars.com, professional gray processing, it makes the picture colorful and vivid .digital stage is more dreamlike, artistically, charismatic.3. Hollow design, super wind resistance, rain-proof design, it can be assembled to lager size.4. Fast lock and hanging structure, smart and ...