This is not a professional multimedia projectors for school education.
GP7S Is a new design, Incredible low-cost direct shipping, 12PCS led Bulbs can display 100lms brightness (Brightness is still just a reference).
Native 480x320Pixels support 1080P (Full HD) Dynamic Image for home theater.
with HDMI Port x1, USB / SD Port x1, VGA Port x1 and Conventional audio and video port, VGA port is Just basic function.
the GP7S not replace multimedia educational projectors, If you connect to a computer, it will not provide the best Text Effects.
and the GP7S new design was inspired by other ODM Customized customers feedback.
for brand wholesale and OEM, vivibright provide the perfect solution