Has been used probably less than three hours. This is the model with BlueChart U.S./Bahamas coastal charts pre-loaded. Waterproof. Currently selling for $306 on Amazon:

http://amzn.to/1aeiK8P

Mine does have a slight imperfection at the bottom of the screen that does not affect usability.
Asking $220, shipping included.

If you are interested please email me at steveinflowermound@gmail.com.

Thanks,

Steve