: Some units have a "wrinkle" where the blue and white/blue wires can cause the radio to fail to switch off properly into standby mode if not wired exactly right. Steering Controls
If you’d like, I can produce a comparison table against 2–3 similar head units or draft a short product listing for selling this unit.
If you'd like, I can help you on how to wire the unit or list specific troubleshooting steps for the code-lock feature. Definitive Original 205 Head Unit / Stereo / Radio Thread
Exclusive models often ship with a dedicated satellite radio tunnel and a weather overlay chip. This allows you to see real-time NOAA weather radar over your music source, a life-saving feature for offshore boaters that is locked or absent in cheaper "exclusive" knockoffs.