Garmin GPS 12 Channel

Antenna Built-in Destination Personal Grids Lat/Lon, Loran TDs, Maidenhead, MGRS, UPS, User, UTM Interface NMEA 0183, RTCM SC-104 DGPS PC Connection Serial Receiver 12 channel Type GPS receiver Update Rate 1/second     Routes 20 Tracklog Points 1024 Trip Computer Average speed, Trip distance, Trip timer Waypoints 500 Waypoints per route 30     Waterproof Yes

Average Run Time 24 Hour(s) Battery Enclosure Type Internal Form Factor AA type Required Qty 4 Color Support Monochrome Display Illumination Yes Resolution 100 x 64 Type LCD GPS Connection Serial     Depth 1.2 In Height 5.8 In Weight 9.5 Oz Width 2.1 In     Max Operating Temperature 158 °F Min Operating Temperature 5 °F