Specifications：

White and black color
Lock in any position
All Steel Construction
Easily release and lock
Fits flat and vaulted ceilings
Integrated cable management
Heavy Duty ALL Steel Construction
Exclusive "No-slip" adjustment system
Ceiling plate dimensions 4" X 4" ( 100X100mm)
Adjustable ceiling plate up to 90 degrees swivel
Multi-directional adjustment tilts, swivels, and extends
Without extension, the height from the ceiling to the projector is 5.5 in
Heavy duty steel construction maximum loading up to 44 lbs (20 kgs)
Mounting arms removable and extendable, extra extension adaptor included
Provides optimum viewing positions with extension from 16.9 in to 25.6 in ( 430mm to 650mm )