... response.* No correction, drive-free. Easy maintenance* Single-point touch, Multi-touch, hand gesture recognizable, drag, draw-line, rotate, zoom in ... out* Long lifetime: 11years, above 60000000 times for single dot touch.* Toughened glass protecting, anti-knocking, water and dust proof, ... formatJPEG/BMP/TIFF/PNG/GIFImage resolution480P/720P/1080P NEW!!! smart LCD interactive whiteboard, smart board