The PBR-1 is an aluminum ceiling brackets for most projectors up to 10kgs/22Ibs. 360Â°rotating and 15Â°tilting allows multi-angle projection. It offers flexible projector positioning with three support arms that can fit a wide range of mounting holes. The quick release connector allows the projector to be installed quickly and then easily released for maintenance, without re-alignment. Two different tubes included for different height need.