From the manufacturer
Achieve powerful presentations in virtually any setting with the ultra bright, ultra light Epson PowerLite 1715c. With 2700 lumens at just 3.7 lb, its ideal for most any application, including a variety of ambient light conditions. And, with convenient wireless capabilities, its compatible with 802.11 a/b/g-compliant devices. Whatever the situation, the Epson PowerLite 1715c is always ready to perform. With USB connectivity it has multiple computer input (Click to see price and more reviews)