Brateck Manual Projector Screen 2.0 x 1.5m (4:3 ratio) Self locking - Idea for education, commercial presentations or residential home cinema - Stylish Sector shape metal case available in black or white colour - Auto-locking system provides variable height settings - Dual wall and ceiling installation design - Screen lanyard for easy operation included - allows screen's pull down handle to be reached from high areas - Standard 4-side black masking borders - Black backed screen material eliminates light penetration for superior colour reproduction - Slow Retract Mechanism to allow a safe and quiet return to the housing