Lockable Projector Cage High Security - Various SizesA security cage for projectors that locks and also has a lockable ceiling mount bracket. Most lockable cages on the market have ceiling mount fixings that can be easily unscrewed and the projector removed with the entire mount. The secure concrete mount adds an additional layer of security to the installation. Available in the following sizes: Small (Max Projector Size: 260mmW x 260mmD x 120mmH). Cage Size: 300mmW x 300mmD x 125mmH Medium (Max