16:9 Pull Down Projector Screen with High Quality Materials and Self-Locking Mechanism * Aluminium Oval Case * 120" Diagonal 16:9 Manual Pull Down Screen * Sliding Brackets * Speed Reduction System * Self-Locking Mechanism Optoma New MGA projection screen has a Premium feel due to its Aluminium Oval Case design. Includes Sliding Brackets to make mounting much easier, plus Slow Retraction System and Positioning for better control. Controlled Screen Return Optoma PMG+ Manual Screens feature Speed Reduction-Retraction. Simply pull down lightly to release the locking mechanism, let go and the screen will slowly return to the casing. Multi-Functional Mounting Brackets The floating L-bracket design allows horizontal adjustments and therefore can be fixed at any preferred point on the screen casing. Construction The Optoma MGA projection screen features a slow retract mechanism for convenient hands-free safe retraction. Sliding brackets are also included for easy installation and positioning on a wall or ceiling. Its premium grade oval housing comes in a aluminium white finish. Selflock Pull down the screen and hold for 3 seconds, then release. The screen will stay at the desired position.