Small enough to fit in the palm of your hand, yet big enough to provide 60 lumens of brightness and up to an 80” diagonal picture. HDMI/MHL port lets you mirror your Apple® device and turn a meeting into a presentation. It is ultra-portable at only 11 ounces and with a size of 4” x 4” x 2”, it's a great travel companion. Provides up to 3.5 hours of use from the built-in battery or continuous use when plugged in. Use the built in speaker or attach external speakers. Brightness: 60 lm; Weight: 10.4 oz.