Can set 5 Destination Points (Home/Building/Car/Travel/My Favorite) Display directions by picture (Can display 16 directions) Data Logger Feature, Save 45,000 points Route Navigation (Point by Point) Move Prompt Information (Speed, Distance, Time) Maximum Destination Distance Showing (0 999.99 ) 3 Kinds of Distance Unit: km/mi/nm for setting Time Zone Setting/ Date and time display End User changeable Battery Design: AAA x 2 Alkaline battery life can last for 15 hours. Permit Manual Setting of Destination Coordinates Battery Power Level Indication Backlight Time Setting Power-saving mode setting Water resistant: IPX4