The input can be finger or pen and 10-20 touch pionts at the same time. 4 points calibration only, USB powered plug and play. A powerful educational software bundle with shipment. It gives learning become interesting at school. Available sizes from 68” to 100”.
4 points calibration only
Plug and play, no driver needed
Aluminum honeycomb structure inside, very durable
Bundled with a powerful educational software for free