AliExpress is offering you a Deal of the Day on the Byintek P20 connected portable mini projector. The latter can project an image up to 200 inches, or 508 cm, and allows you to organize viewing sessions on a very large screen.
The device running Android and being compatible with Wifi connectivity, you can use it to enjoy your favorite applications, but also to use the Miracast or Airplay functions. It is 278.61 euros instead of 619.15 euros on AliExpress.