Great price for this headunit. Best I can find for this model. There was a break for a few years with no updated models.
Most importantly for this price you are getting Wireless Apple Carplay and Wireless Android Auto.
Wireless & Wired Apple CarPlay™
Android Auto™ Wireless & Wired
iDatalink Maestro Ready (Sold Separately)
High-Resolution Audio
HDMI Type D
Short Chassis Design @ 75mm
Built In Bluetooth
13 Band EQ & Digital Time Alignment
3 Preouts 5V
2-Phone Hands Free Calling Ready
Customizable Multi-Widget Screen
Supports FULL HD Video File Playback
Kenwood Website Specs
https://www.kenwood.com/au/car/visual_navigation/dmx7522s/
Check out https://aerpro.com/ for all the parts you need to get this working in your car. Simple to use website that will help you with wiring harness, adapters and accessories.
Nice find. The DMX7022S wired version is $479 as well, probably worth adding to the post