Oregon Scientific GPS- ATC9K GPS Module for ATC9K Video Action Camera GPS software uses Google Maps to pinpoint and record location where the video was shot Video playback shows corresponding acceleration, distance traveled, and altitude on same screen as the video GPS unit fits inside the ATC 9K camera and adds very little weight Requires use of Quick Time 7 or Greater Compatible with Windows XP, Windows 7, and Windows Vista Operating Systems. Not Compatible with Mac OS