This is a brand new unit I bought and never used, I am hoping to sell it off to someone who would use and care for it like I cherished it.
Below is the specification of the unit.
Manufacturer model #: 410420-1.
Ultra-crisp 1,280x800 HD resolution
16-bit TFT color
Built-in Bluetooth wireless
Broadband CHIRP Sonar
Extreme Depth Sonar
MEGA Down Imaging Sonar
MEGA Side Imaging Sonar
DualBeam Plus Sonar
Intuitive button layout
Internal high-precision GPS with heading sensor
Storage for 10,000 waypoints, 50 routes, 50 tracks, and 20,000 points
Dual microSD card slots
Speed and temperature readings
AutoChart Live with depth, vegetation, and bottom hardness mapping
5-port Ethernet switch for optional NMEA 2000 and other networking expansions
Ready for optional cartography upgrades like Humminbird Mapping, Navionics+, Navionics Platinum+, and more
Please do not hesitate to ask questions.