Feature: 1. SUPPORTED CONTENT FORMATS: 3D holographic fan, it is easy to upload photos or videos on your computer in formats including mp4, avi, rmvb, mkv, gif, jpg, png. 2. SAFE AND EASY TO USE: The 3D hologram fan features a transparent protective cover to ensure child safety and minimize noise. Easy to put on desktop display. 3. LIGHTWEIGHT AND PORTABLE: This holographic projector fan is lightweight and easy to carry. Unique design for home decoration. Built in speakers to play images with sound. 4. MULTIPLE APPLICATIONS: 3D holographic LED fan is suitable for stores, supermarkets, offices, markets, home, shopping centers, restaurants, jewelry stores, retail stores. 5. WIFI COMPATIBLE: Compatible with WiFi to transmit and load 3D displays. No need to worry about location limiting your access to files, fast data transfer. After accessing the 3D image database, you can pull the files via WiFi and play them immediately. 6. SUPPORT MEMORY CARD: The hologram advertising display also allows you to save images to the Memory Card, insert the card into the card reader on the bottom of the fan and play the 3D animation. Specification: Item Type: 3D Hologram Fan Material: PMMA, PC, Hardware Remote Control Battery Type: Built in 160mAh CR2025 Button Cell (Included) Memory Card: 4GB Memory Card Included in the Machine, Support Up to 16GB Memory Card (Not Included) Mobile App Name: 5D Displayer Use Site: Indoor, Outdoor (Outdoor Needs Rainproof Measures) Useful Life: Life 30000 Hours. Package List: 1 x 3D Hologram Fan2 x Base Bracket1 x Memory Card1 x Remote Control1 x Card Reader