Spy Optics Looking through a glass on eBay, there are many models available, but the 1080p glasses have something more discreet than other models, Spy glasses have different designs and have a recording capacity in 1080p is amazing the details are in this link http://www.spyoptic.com/ Lances having a plastic and looking quite good they are having screw thing at each end and that end there is camera inside the arm of glass contain all electronics in the camera. It also has a micro USB socket and a micro SD card is located, from where it is updated full of technology.