(2A2)32-47inch 2 TV bracket SPEEDSMOUNT Ceiling wall mounting

Model NO:2A2
Material: Cold Rolled Steel
Black Color VESA:( Left right 900 to 1200) * top to bottom 400mm
Tilt range: yes
TV size: 32-43 inches each
Load capacity:36kg each TV
Height adjustable:400-900mm (with extra pole can extend to 1.9 meter)

Need below information to confirm order
1. Ceiling material ?
2. Ceiling height more than 3 meter ?
3. TV width ?

For ceiling heights exceeding 2.5 meters, it is necessary to incorporate an extension pole. 
The total length of the pole should be equivalent to the ceiling height minus 1.5 meters, 
representing the standard distance from the TV center to the floor