LED all in one monitor     Edutech Maxboard's all-new high-accuracy charge localization plan, high-precision fine-copying under support 4K distribution ratio, high-speed rapid response and non-delayed multi-point touching capability. Advanced technology, fingertip touch screens, individual optical elements, small optical radiation sums, and so on. - Projected capacitive touch accuracy - Optically-bonded Ultra-High Def (4K) display - Multiple I/O ports make connecting easy - Elegant and light design that fits in all meeting Product Advantage (1) Whiteboard - Meeting minutes can be saved as source files and PDFs, source files support secondary editing, and can be shared via QR code - New high-precision capacitive touch for high-precision fine writing - Insert pictures, videos, PDFs, and support text input; flowchart supports graphical smart adsorption (2) Video Conference - Easily join a meeting via a meeting tablet, computer, phone or tablet - Integrate whiteboard writing, document editing, video conferencing and other functions into one (3) Wireless Projection - Multi-screen interactive, quad-screen HD screen display - Easy screen shooting, stable output ensures no stuck - Support two-way control (4) Screen Annotation - Can make annotations directly on the screen and support five finger erasure - Can be intercepted in any area, choose to insert the whiteboard and focus on explaining - With screen save and other functions, save the current annotation with one click