<p><b>Product Parameters</b></p> <p>Display Technology: 0.3" DLP</p> <p>Native Resolution: 480P</p> <p>Brightness: 50 ANSI lm</p> <p>Lamp Life: 20, 000 hours</p> <p>Aspect Ratio: 4:3/16:9/Auto</p> <p>Throw Ratio: 37.8 in at 3.28 ft</p> <p>RAM: 1GB DDR3</p> <p>Battery: 4000mAh</p> <p>Offset: 100%</p> <p>Focus Adjustment: Manual</p> <p>Keystone Correction: Auto (vertical ±30°)</p> <p>Projection Distance: 3.3-10ft</p> <p>Projection Mode: Front/Rear/Front Ceiling/ Rear Ceiling</p>