The E-550 model reveals a projector from the ceiling in seconds, transforming an everyday space into the ultimate home theater. This lift features linear drive technology for near silent operation and has no visual footprint when retracted. It can accommodate over 400 projector models and lift up to 100 lbs. The E-550 model reveals a projector from the ceiling in seconds, transforming an everyday space into the ultimate home theater. This lift features linear drive technology for near silent operation and has no visual footprint when retracted. It can accommodate over 400 projector models and lift up to 100 lbs..PZA MORE SPECS