3D Hologram Projector 4 Blades Fan 2000x576 574 LED Beads Support WiFi and APP Hologram Advertising Display 100‑240V Item Type: 3D Hologram Projector Material: ABS, PC Control System: Computer, Cell Phone Connection Method: Wifi Wireless Transmission Support Formats: Animation Video, Black Background MP4, JPG, AVI, MKV, RMVB and Other Formats Into Device Display Size: Approx. 56cm/22in Resolution: 2000x576 Number of Light Beads: 574 Number of Fan Blades: Four Blades Memory Card: 8G (included) Power : 45W Rotational Speed: 750 Rpm Mobile App Name: 3D Circle Cell Phone Editing 3D Text: Support Adjustable Angle: Support Adjustable Brightness: Support The best effect of the material: 1. The material is black background (3D effect is better) 2. MP4, MPEG, AVE, FPG and other mainstream video and picture formats 3. 720x720 and above resolution 4. 10-15 seconds of video time 5. JPG, PNG format pictures are also available (black background is better)