MacBook Pro Retina 15" Mid 2015 Intel Core i7 2.2 GHz 16GB RAM, 121GB.

1. No Internal LCD display ---> BLACK SCREEN.

I USED EXTERNAL DISPLAY (TV or monitor) WITH HDMI CABLE, as shown. ... like a desktop.

WIFI no problem.

2. See dent on the palm rest.  Otherwise mild use blemishes.

3. No return. As is.