Motorized Projector Lift 1m/1.5m/2m/3m/4m with Competitive Price - China Projector, Projection Screen | Made-in-China.com
Monoprice Commercial Series Hidden Motorized Recessed Ceiling Projector Lift Mount (Max 44 lbs.) - Monoprice.com
Amazon.com: CGOLDENWALL Projector Lift Motorized Projector Mount Electric Ceiling Projector Mount Adjustable, with Fixing Plate, Max Load 44lb (Running Distance: 300cm/118.11") : Electronics