Premier Mounts PBL-UMS Universal Projector Mount with adjustable channel Type: Projector Mounts Compatibility: Projectors up to 25 lb. Specifications: Color: Dark Gray Arms can be precisely positioned to avoid ventilation areas to maximize lamp life Fits most projectors under 25 lbs. +/-20 degree tilt and roll; 360 degree Rotation Mounts to walls and traditional, vaulted/cathedral ceilings Adjustable-height channel extends from 9-12.5 Low-profile design (2.5) Lifetime Guarantee Cable routing inside channel