3D Holographic Advertising Machine Fan

About a Product :  Display:  Type: Holographic LED/LCD display. Size: 21.5 inches (55 cm) or larger.  Resolution: HD or 4K] .   FAN:  Type: Brushless DC fan.  Speed: Adjustable (e.g., 3 speeds).  Airflow: 3,000-6,000 CFM (cubic feet per minute).  Dimensions:  Height: 40-50 inches (100-125 cm).  Width: 24-30 inches (60-75 cm).  Depth: 12-18 inches (30-45 cm). Weight: 15-25 pounds (6.8-11.3 kg).  Power:  Input: AC 100-240V, 50-60Hz.  Output: DC 12V, 5A.  Connectivity: Wi-Fi or Ethernet for content updates.  USB ports for local content playback.  Operating System: Android or Linux-based. Motion sensors for interactive content.  Speakers for audio playback.  Remote control for fan speed and content navigation.