Multi functions integrated whiteboard swith on / off through one key

Multi functions integrated whiteboard swith on / off through one key Features: No need use laptop; Multi-functional , smart classroom for teaching Compatible with all brands of interactive whiteboards and projectors Quick start in 60 seconds Convenient to maintain and manage Specificaitons: Structure 1. Demension: 1280x260x80mm 2. Color: Black and white for options 3. Structure Featrues: Slim and compact design,the top panel is fully closed,with side cable holes,dust-proof 4.