Feature:   1. 56cm Large Display: The hologram fan supports 56cm large screen without background, providing high resolution visual effects with 3D holographic effects.     2. Wifi and APP Control: The fan supports multi control in one machine via Wifi. Support a variety of content replacement methods. Use mobile APP to manage multiple hologram advertising fans and switch your advertising as you wish.     3. Rich Content Support: The hologram fan supports a variety of media formats, and supports common image, animation, and image display. You directly uploaded lossless video.     4. 638 Beads: 638 premium lamp beads make the 3D holographic effect more prominent. 1024x638 high resolution makes the color more real.     5. Timing Function: It has a timer function, which can be timed to play and timed to switch on and off. It starts up quickly. Suitable for shopping malls, hotels KTV, high speed railway airport banks, science and technology exhibition halls, exhibition centers, etc.             Specification:               Item Type: Hologram Fan  Material: ABS, Aluminum Alloy   Weight: Approx. 2450g/86.42oz  Input Voltage: AC 100-240V   Frequency: 50 60HZ  Power: 75W  Output Voltage: 24V  Resolution: 1024x638  LED Number: 638   Content Replacement Method: APP (for Android, for iphone), cloud  Storage Mode: Built in storage 8G  Rotation: 720 rpm (no remote control)                               Package List:       1 x Hologram Fan       4 x Fan Wing       1 x Power Adapter       1 x Power Cord       1 x Instruction Manual       1 x Bracket       1 x Hex Wrench       3 x Expansion Screw With Wall Fixing        3 x Hex Socket Screw       1 x Fix Screw       1 x Medium Screw       14 x Small Screw