Features 1. 224 LEDs two-axis rotating imaging, presenting naked-eye high-definition 3D visual effects. 2. Comes with A Very Large Video Library, Including Food, Universe, Sci-Fi, Animation, Cyber Etc. （Download Video Library） 3. Support APP+Bluetooth connection. 4. Support Customized 3D Logo & pictures. 5. Mobile phone synchronous screen projection function. 6. Multi-machine linkage + unlimited splicing: support unlimited splicing, large-scale linkage audio and video, unlimited size, more shocking display (requires other components) specifications Size: 41*41*38 cm Resolution: 640*640 Viewing Angle: 160° Output Voltage: 12V/2A Power: 10 -15 W Display Diameter: 40 cm LED Quantity: 224 pcs Storage Capacity: 8 G Support Format: MP4/JPG/GAIF/MOV Supporting System: Windows/ iOS/ Android Brightness adjustment: yes Bluetooth audio: support Package Included: 1x3d holographic projector1x remote control1x8G memory card1x Fixing Bracket1x Power adapter1x adapter3x mounting screws