*No need to change your 2D endoscope. You can save the money but get the 3D Effect. We offer 3D solution with an efficent way!*Keep original 2D endoscope feature (zoom and rotation).*No dizziness and no discomfort. You can set the disparity for our system, so you don't need to worry about the dizziness using the system.*Enables 3D ENT Sinus or EAR Surgery.*Enables 3D Flexible Endoscopic Procedure (ESD and EMR).