Porodo Full HD Portable Projector with 1920x1080 pixels Resolution, 3000 Lumens, 16:9, 4:3 Aspect Ratio, 45W Power, AC 100V-240V 50/60Hz, 3.5mm AUX, USB, HDMI Ports - Black

Projection Mode:

At the main page, select setting-projection

Image Setting can choose Front projection /rear-projection/up-side, down front projection upside-down rear projection.

Keystone correction: On the main page, select setting-Projection Image Setting, when the projector used to use keystone correction its needs to turn on 4 sides(left-right up or down) keystone correction to adjust the image to normal. 4 sides keystone correction through digital technology to make the projected image normalization. 4 sides keystone correction user guide: Enter into manual keystone press the direction key to select the point needs to be adjusted, press the Confirm key to determine the selection point, after confirming the selection point, use the direction key to adjust the appropriate parameters After adjustment, press OK to cancel the selection pair and use the arrow key to move to the remaining points that need to be adjusted. The operation mode is the same as above. Press the menu key to reset quickly.