Optoma Technology PK-101 Pico Pocket Projector for $179.99 shipped. Here is a screenshot for your reference. It projects image size up to 60″, has a LED light source for over 20,000 hours use, and comes with a rechargeable battery via USB or AC charger. It can be connected to iPod, iPhone, and iTouch, camcorders, digital cameras, DVD players and other video players via A/V composite cable. Note that this projector connects to devices with a composite output only. Most places have it for about $199 or more.