• With the ViewSonic® PJ-IWBADP-008 Adapter Plate, you can easily install select ViewSonic projectors on the existing SMART mounts UF55/UF65, or Promethean V1, V2, V3 and V4 (PRM 10-20-30-25-35-45). This allows you to easily upgrade and replace outdated SMART or Promethean projectors and still utilize your existing interactive whiteboard.