With up to 5000 lm of brightness, the PT-EW540E serves up brilliant, punchy images even with the lights on. Text is sharp & clearly legible while graphics, photos, & video images are reproduced with a clean & natural vibrancy. Expect dazzling highlights & inky blacks with a high contrast ratio of 2, 000:1 assisted by an iris, which alters brightness according to the scene or image. This projector is perfect for use in environments with an high amount of ambient light, classroom & boardrooms. Whether it be used to project to a large classroom or to deliver an important presentation during a meeting at work, the Panasonic PT EW540E will exceed your expectations in both cost & performance. With impressive 5000 lumens, the PTEW540E will attract attention for all the right reasons. This guarantees saving you both time & money while ensuring hassle-free, long lasting projection. Key Features 5000 ANSI Lumens Brightness 4500 Hours Lamp Life (Eco) WXGA Native Resolution 16:10 Widescreen Aspect Ratio 10.6kg in Weight 2000:1 Contrast Ratio -30° to +30° Horizontal Keystone Correction -40° to +40° Vertical Keystone Correction 1 RGB Port 1 HDMI DVI-I Port 1 RJ-45 Network Connection Port Complete with Manufacturers 3 Year Warranty