11 ARHUD 3D AR Graphic FOV 20 ° - 40 ° VID 20M-50M High-End OE Sunlight Readable Main Stream Tech after 2024 Auto Brightness Adjustment WHUD 2D Graphic FOV 10 ° -12 ° VID 8M-15M Mid-End OE Sunlight Non-Readable Demands Drop After 2024 Poor Display & Dizziness CHUD 2D Graphic FOV 5 ° -10 ° VID 2.5M-8M Low-End After Market Sunlight Non-Readable Sever Drop in Market Demands Safety Reasons