Canon GP-E1 Instruction Manual page 29

Setting the Camera Time
The camera time can be set using GPS signals. The margin of error
is approx. ±0.02 second.
Viewing Images and Information on a Virtual Map
Shooting locations and the shooting direction can be viewed on a
virtual map, using the Map Utility software on the provided CD-ROM.
Map data ©2012 ZENRIN -
Features
GPS Receiver
Solution Disk
3