No more crowding around your iPhone to show pictures of your vacation or grandchild, and forget searching for a computer. This pocket-sized projector plugs directly into your iPhone to display photo slideshows or videos, surf the web or capture and display documents to colleagues. Displays up to a 50" diagonal image. 1080p resolution in 16:9 aspect ratio. Powered by rechargeable battery, it can also be used as an emergency charger for your phone. LED lights have a lifetime of up to 20,000 hours. Works with iPhone 3Gs, iPhone 4 and 4S, iPad and iPad 2. 2 1/2" l x 2 1/4" w x 3/4" h.