PANTALLA MANUAL DE 100" 4:3 This is manual pull down screen and it can be pulled down and lock in any height as there is a lock mechanism in size the house of screen.It is the economic way and can use at home,office and in some place without the electric.

PANTALLA MANUAL DE 120" 4:3. This is manual pull down screen and it can be pulled down and lock in any height as there is a lock mechanism in size the house of screen.It is the economic way and can use at home,office and in some place without the electric.