Specifically designed for business application, such as presentation in meetingroom, demonstration at exhibition etc. - based on patent hikey technology, users can bring audience effective presentation with most convenient operation.. - with durable multi-polyester coat surface, it can be used as ordinary whiteboard ¿c writing with dry-marker, and easily cleaned. - board height is adjustable for different environments. - single cable connection, no ac required. - 60", 80", 100", 120" and customized size Specifications Model no. Tb-560 Tb-580 Tb-5100 External size 127íß 99íß 1.8 (cm) 166íß 127íß 1.8 (cm) 216íß 127íß 1.8 (cm) Diagonal 160cm (63í¦) 209cm (82í¦) 250cm (98.4í¦) Writing surface 120íß 92 (cm) 159íß 120 (cm) 209íß 120 (cm) Active diagonal 151cm (59.4í¦) 199.5cm (78.5í¦) 241cm (95í¦) Weight (wall-mount included) 15.5kg 27kg 32.5kg Digitizing technology Electromagnetic sensing Handy intelligence key Hikey i buttons on two sides of board Resolution 8192 íß 8192 Process speed 480 frame/s Transmission speed 19200 bps Usb cable 10 m Pen 2 pieces Installation Wall mount bracket / mobile floor stand (optional) Interface Usb1.1¿c 2.0 Power consumption Less than 1 watt Warranty 5 years