3D Hologram Fan 512x234P Resolution 234 LED Beads 16.5in Hologram Advertising Machine for Party Shop 100‑240V US Plug Item Type: 3D Holographic Advertising Machine Material: ABS, PC, Hardware Color: Black Remote Control Battery Type: Built In 160mAh CR2025 Button Cell (Included) Display Diameter: 42cm/16.54in Resolution: 512x234P Number Of Light Beads: 234pc Memory Size: 16GB (Built In Memory Card) Content Replacement Method: Memory Card, WiFi, APP Synchronization Mode: WiFi Transmission, BT Sound Output, Remote Control Support Format: MP4, AVI, RMVB, MOVIGIFUPG, PNG Service Life: > 30000 Hours Software Support System: for Windows, for Android System, for IOS Scope of Application: Widely Used in Shopping Malls, Supermarkets, Stores, Etc