digital board price 55 inch 

https://www.edu-display.com/products/digital-smart-board.html

The 55 inch smart board is the new replacement for the interactive whiteboard. Compared with an interactive whiteboard, an interactive display reduces both costs and time of calibration, changing bulbs of projectors and cleaning filters. Class downtime and waiting time are also minimized, with no unexpected bulb burn-outs or waiting for bulbs to be replaced. the interactive display consumes less energy, occupies less space and is easier to install and service.

The 55 inch interactive whiteboard are designed for education and business. Interactive displays for education bring both added image clarity and greater enthusiasm to the classroom. Touch screen display eliminates the shadows cast when someone approaches a projector and spares those at the front of the room from blinding projector lights. Without these distractions, it is easier to have a higher and smoother presentation no matter in the classroom or meeting rooms. Longer hours to use, easy connections to various devices, and a simple way to screen share, all make interactive whiteboards an ideal interactive solution for education and business.