The Optoma 303 Series projectors generate a powerful, up to 3000 lumens bright image, combined with an industry leading 15,000:1 contrast ratio to bring out the finest details on your most important presentations or class lessons. HDMI connectivity for full digital compatibility as well as two VGA inputs, composite and S-video to satisfy your current and future needs. The Optoma 303 Series projectors are incredibly easy to operate. Connect power and source, press the power ON button, and you will be presenting in no time.