Manual projection Screen (standard)

Product Description:

----Roll up/down screen for school and seminar use,

----The standard design of the screen is for wall or ceiling mounting.

Screen surface

----Screen surface on fabric base;

----Black border:L, R, T, B, stand for Left, Right, Top, Bottom;

----1:1 Size up to 240cm,Only 3cm for L & R;

----Size bigger than 240cm,Only 5cm for L & R;

----4:3 Size up to 240cm,3cm for L & R & B, 5cm for T;

----Size bigger than 240cm,5cm for 4sides;

----16:9 Size up to 240cm,25cm T and 3cm for L, R, B;

----Size bigger than 240cm,25cm T and 5cm for L, R, B;