Holographic Advertising Projector 256x1024 176 Degree Visual Angle 256 LED Beads 3D Hologram Advertising Display Fan US Plug Item Type: Holographic Advertising Projector Material: ABS, Aluminium Alloy, PC Model: F30 Color: Transparent and Black Power Output: 12V‑1.5A Display Diameter: Approx. 30cm/11.8in Resolution: 256x1024 Number of Lamp Beads: 256pcs Rotational Speed: 1200rpm / Min Memory Size: 16G (Built in Memory Card) Viewable Angle: 176 Degrees Content Replacement Mode: Memory Card, WiFi, APP Bluetooth Connection: Support Support Formats: Jpg, Jpeg, Gif, Mp4, Avi, Rmvb Service Life: 30000 Hours Software Support System: for Windows, for Android Scope of Application: Widely Used in Shopping Malls, Supermarkets, Stores, Etc.