12 VDC or 5 VDC control allows screen to be raised or lowered automatically when projector, with 12 volt or 5 volt lead, is turned on or off.

The Video Projector Interface triggers a 5 milliamp (minimum) signal for interfacing with a greater variety of projectors.

Includes complete box with three button wall switch for manual operation and cover plate.

Projector must have 12 volt or 5 volt lead to operate interface.