The iScope Smartphone Adapter for is a valuable addition to any hunter's arsenal. You can now enjoy a full screen view of your target right there on your phone. No more squinting with one eye, struggling to find the cross-hairs. In addition, the iScope will allow you to record your hunt from your perspective. The iScope is also great for individuals who struggle with using a scope. The iScope is made of a durable aircraft aluminum housing with a replaceable polymer backplate. The replaceable backplate makes upgrading your iScope to fit you r next smartphone as simple as 3 little screws. The unit comes completely assembled and ready for use. An instruction guide, replacement felt pads, and recoil bands for use on high caliber firearms are all included. Weight: 14 oz.