The ACC625 and ACC630 is designed to give the short throw projector arm the extra distance needed when the whiteboard is mounted over a chalkboard or similar obstacle. The expandable box allows the projector to obtain the proper throw distance needed to obtain the perfect image.
FEATURES: - Compatible with SMART Arm 600i, SMART UX60 and Hitachi A100WALLARM2 - Expandable depth - Heavy gauge steel construction - Mounts to studs 16" on center