The M Public Ceilingmount Medium Back to Back is a sturdy double flat panel ceiling mount with VESA adapters supporting VESA up to 400 x 400.The M Public Ceilingmounts Back to Back feature allows medium sized flat panels or digital signage solutions to be seen from multiple locations. This solution is perfect to use in public installations such as stores, airports, hospitals or elsewhere where safety, stability and perfect viewing angles from multiple positions around the screens are needed.