Optoma HM1700 is a DLP projector with a laser as the light source. In terms of brightness, it has 4,000 lumens and 1080P resolution. For resolution, it has a standard resolution of 1080P, producing sharp images with rich details. It is equipped with rich interfaces, including two HDMI interfaces, and 1 VGA interface. With these interfaces, you can connect the projector to various external devices.