Resolution; Display Mode - EZCast Pro II Setting Manual

3.3 Resolution:

Please select the applicable resolution for your usage.
EZCast Pro Dongle II supports up to 4K at 24P frame rate
while the default output resolution is 1920 x 1080_60P.

3.4 Display mode:

EZCast Pro Dongle II supports the following Display
modes:
3.4.1 Fit to screen:
EZCast Pro Dongle II will keep
video at the original aspect
ratio.
3.4.2 Zoom to screen:
EZCast Pro Dongle II output
display will be stretched, and
aspect ratio changed, to fit the
whole screen.