A:Answer Yes, the vívofit 3 has a backlight that can be activated by holding the device key at any time. It turns off automatically.
For more feature and function questions, you may find the owner's manual useful, which is available in a web-based format for your convenience: http://www8.garmin.com/manuals/webhelp/vivofit3/EN-US/GUID-946860A4-9C41-4B5E-9570-7413A45A3CF6-homepage.html
-JPK