The Colorado has an SD card slot to allow you to add extra maps from Garmin pre-programmed SD cards. You can also share your waypoints, tracks, routes and Geocaches wirelessly with other Colorado users.
The Colorado 400t Handheld GPS is easy to use even in one hand with its Rock ‘n roller wheel. It has a completely different interface than the eTrex units. You can customize the interface based on your favourites. The Colorado takes two AA batteries. The battery life itself is very good.
A necessity for any wanderer- get the Colorado 400t Handheld GPS Unit at a cheap price below.
Best of all, the battery compartment and SD card slot are located inside the waterproof battery compartment on the unit. The Colorado has plenty of extras to keep you entertained. It has a photo viewer if you want to show off your adventure shots. If you like to keep fit, it offers a heart rate monitor as well as a speed and cadence sensor. This GPS also displays the air temperature
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