Description 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. 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*3.8 cm/15.7*15.7*1.5 inches - Resolution: 640*640 - Viewing Angle: 160° - Output Voltage: 12V/2A - Power: 10 -15 W - Display Diameter: 40 cm/15.7in - 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 projector 1x remote control 1x8G memory card 1x Fixing Bracket 1x Power adapter 1x adapter 3x mounting screws