MI-7943 adjusts up and down from 36.25' - 57.5' and the steel frame is rated for up to 88 lbs. Move the stand easily into place with the 1.5' casters and simply set the two locking brakes to keep it in position Ventilated trays keep your media devices cool and prevent overheating Great for offices, classrooms, lecture halls, meeting rooms or your own home as a movie projector tripod stand