The TruLink A/V Controller is a full-featured in-wall solution that is perfect for easy control of all classroom or conference room audio/video equipment; including up to two serial devices such as a projector or display a 12V DC triggered device such as a projector screen or blinds and IR devices such as a DVD/Blu-ray player document camera and other equipment. Specifically constructed for use in classrooms and conference rooms this controller is innovatively simple to install program and operate.FeaturesLarge backlit buttons for easy identification and quick operationOn-board real-time clock for easy time and date programming including automatic start-up and shut-down capability ensuring equipment is ready when needed and powered off at the end of the day to extend equipment lifeDual DB9 RS-232 ports provides control for two projectors or a projector and amplifier12V DC Triggering provides control for electromechanical devices such as projector screens or blindsBackup capability eliminates the need for reprogramming in the event of a power failureUp to 32 commands for control of numerous A/V devicesNumber of buttons: 8Control type supported: Serial RS232 Infrared (IR) 12V DC TriggeringData/Power connection - RJ45Buttons: Rubberized - contact styleKey plate material: ABS PlasticWall plate cover material: NylonColor : WhitePCB Dimensions (HxWxD): 103 x 45 x 25 mm.Weight - 0.10lbs.