e@Board interactive whiteboard is the third generation whiteboard adopts infrared induction technology and made of aluminum honeycomb with high intensity, high stiffness and light nature. Product Specification: Model IE-1021B Size (Inch) 102 Material Aluminum Alloy Honeycomb panel Working Principle Infrared Induction Technology Writing Way Pen or finger Resolution 4096*4096 Aspect Ratio 4:3 or 16:9 Cursor Speed 150 dots/second Response Speed Start Dot 50 ms, continuous 25ms. Power Consumption Power consumption is less than 0.5W while working under USB-5V. Current Consumption < 80mA PC Interface USB 2.0 Active Input Area 1960*1310 Working Temperature -10-45 Working Humidity 10-98% Storage Temperature -40-50 Storage Humidity 10-98% Other Items: Bracket Mobile Floor Stand (Optional Wall Mounting Parts Included in a standard set Software Support 22 kinds of languages Pointer Laser Smart pointer