BlackVue External GPS<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>An external GPS receiver is needed for speed， recording location and the driving route data in the videos.</li><li>Compatible with DR430， DR450， DR470， and DR750</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21sxc8mw-7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31RAxegE20L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31fzrEHTfML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41FQkoDhedL.jpg" noproxy>