Motorized Ceiling TV Mount, Hidden Drop Down TV Lift, Telescopic Electric TV Lift with Auto Lifting, 0-85° Flip Down, Fits 32-70 Inch TVs Motorized TV Stand : Amazon.co.uk: Electronics & Photo
Bnt 15-50 Kg RS232 Center Control Ceiling Mount Motorized Electric Projector Lift Hidden Drop Down Lift Projector Lift Ceiling - China Projector Lift Ceiling, Projector Lift | Made-in-China.com