The prolite t1521msc b1 15 touchscreen is based on projected capacitive technology offering optimal seamless and accurate touch response due to its glass overlay it guarantees high durability scratch resistance and perfect picture performance a solid and steady base supports the touchscreen with an adjustable stand offering up to 80 degree tilt angles menu buttons are located on the back of the screen which can be locked to prevent tampering and includes a handy function to deactivate th