Buy from Amazon : br br Brookstone Pocket Projector Slim br br Bright 25-lumen LED lamp projects images up to 60 diagonal br Runs 35 hours on a single charge br Rechargeable 3300mAh battery doubles as a USB backup battery for your smartphone devices br Includes 3 HDMI cable MHL micro USB to HDMI cable and Samsung S3 adapter br Dimensions 49L x 26W x 4H