I have 2 more as of 11/17/21.
These units are 12.1 inch 800x1280 res screen Android 9, head unit. never used only taken out of box to check quality and rewrite and root firmware for stability, extra themes etc..., so I know it is stable before I'll even put it up for sale. has FL, FR, RR, RL, Sub outs etc...Bluetooth, internal and external mic.
if you know anything about these HU's. you know what it is. this one is for a GMC 2007_2013 Sierra or Denali Yukon. Buick look it up. auto ac with steering wheel controls and built in canbus. the installation takes about an hour at most. easy
it will also come with a camera and multiple wiring haneses. I know I'm forgetting all the extras but if you want these let me know. I'm moving and I just don't need them.