This GPS navigator features an easy-to-read monochromatic display, multi-band GNSS and advanced navigation sensors to help you explore with confidence. The improved monochromatic screen is easy to read in a variety of lighting conditions, even with night vision goggles. Get up to 100 hours of battery life in navigation mode or up to 1000 hours in expedition mode; uses 2 field-replaceable AAA batteries (not included).