Power Balance holograms are embedded with frequencies that react positively with your body's natural energy fields

clear images with excellent contrast and color reproduction

Creative wide views

Adaptive Color - Yes

Operating Temperature: 32 to 104 degree F (0 to 40 degrees C)

Garmin Edge 840 Solar, Compact GPS Cycling Computer, Device Only (010-02695-20) 4964 Power Balance holograms are embeddedINTRODUCE THE RIDER YOU ARE TODAY TO THE ONE YOULL BE TOMORROW Improve every day with Edge 840 Solar, the touchscreen and button controlled cycling computer with targeted adaptive coaching1. Its the optimal gear to prepare you for upcoming races or personal milestones. Product Highlights: Touchscreen or button controls? The choice is yours this edge has both Get up to 60 hours of battery life on a single charge in battery saver mode Enjoy superior