Including an auto cleaning filter, the Panasonic PT-F300NTU will not need any type of maintenance for 10,000 hours. This easy-to-use LCD projector includes a number of functions as well. At 4,000 ANSI lumens, brightness on the Panasonic projector can function in any lighting situation. The contrast on the LCD projector is 600:1. Further features of the Panasonic projector include a manual focus and zoom lens, a throw distance of 7.8 feet to 12.7 feet, and a screen size of 40 inches to 300 inches. The Panasonic PT-F300NTU is compatible with HD and can work with the following media: 1080p, 1080i, 720p, 720i, 576p, 576i, EDTV, and SDTV. The native resolution of the Panasonic projector is 1024x768, the maximum resolution is 1280x800, and the aspect ratio is 4:3. This Panasonic projector includes a built-in five-watt mono speaker for sound as needed in various situations.