Feature:
* Simple to dock for iphone 5 battery case and project on any surface
* Super-bright 15-lumen projector lamp ensures clearer, more brilliant images
* Built-in 0.5W speaker and focus adjustment for an optimum viewing experience
* projector projects images with a resolution of 640 x 360 pixels at a contrast ration of 1,000:1
* Built-in 2100mAh battery functions as a back-up battery for iphone 4 4s
* Top class rubber coating finish.
* Compatible models: For iPhone 4 4s
* Projector Size: 127 (H) x 64 (W) x 127 mm

Package include:
* iPhone backup battery x 1
* USB cable x 1