Feature:   1. 20.47 Inch Display: 52cm/ 20.47inch large screen display without background. The 3D holographic effect of 624 lamp beads is more prominent, and the resolution of 1600x624 is more real.     2. Wifi and App Control: It supports WIFI connection and multiple controls on one machine, supports multiple content replacement methods, and can easily manage multiple advertising machines using mobile apps.     3. Rich Content: Support multiple media formats, and upload lossless videos directly. Mobile phone projection screen, switch your advertisements as you like.     4. Easy to Use: Quick start, timed play, timed on off. Quick plug and install of light bar, screw free, very convenient. Support storage card and bluetooth audio output.     5. Multi Scene Use: The holographic projector can be used in shopping malls, exhibition halls, exhibitions, parties, etc. to present 3d animations and make your activities more personalized.             Specification:               Item Type: 3D Hologram Fan  Material: ABS, aluminum alloy  Weight: Approx. 1500g/52.91oz  Input Voltage: AC100-240V  Frequency: 50/60HZ  Power: 72W  Output Voltage: 24V  Remote Control Battery: CR2025 button battery 150mAh (included)  Resolution: 1600x624  Number of LEDs: 624  Brightness: 2200cd/m²  Content Change Mode: Mobile APP, PC software  Supported Formats: mp4, avi, rmvb, jpg, etc  Storage Mode: Built in storage 16G  Remote OTA Upgrade: Support  Splicing of Multiple Devices: Not Supported  Scheduled Playback: Supported  Real Time Screen Projection: Support  Bluetooth Audio Output: Support  Long Distance Synchronization: Support  Storage Card Content Copy: Supported  3D Content Production: Support                       Package List:   1 x Hologram Fan     4 x Fan Wing       1 x Power Adapter       1 x Power Cord       2 x Instruction        1 x Bracket       3 x Fixed Expansion Screw       1 x Fixing Screw       1 x Remote Control