Product Overview It integrates computer, TV, projection screen, play box, projector, and writing whiteboard.Free writing, multi-person interaction Touch and write smoothly, support annotation, drawing, erasing, image zooming in and out, and rotating, and support mobile phone scan code to save teaching content. Product Specifications Series No.: EWCH01S Size: 32"/43" Brightness: 350 Nits Resolution: 1366*768/1920*1080 pixels Functions: 鈼?Remote control 鈼?nbsp;Multimedia playback 鈼?nbsp;Flip book software 鈼?nbsp;Authority management Used for interactive content such as information display, human-computer interaction, information collection, and activity participation Android and Windows system optional FAQ 鈼?nbsp;Q: Can I control the electronic board by my phone or computer? A: Yes.It can be remote controlled by mobile phone,Pad and PC.Commercial Display for sale website:http://www.chaohong-tv.com/commercial-display/