Usage Tips:Features 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. specificationItem Type: 3D Hologram Fan Material: PMMA, PC, Hardware Remote Control Battery Type: Built in 160mAh CR2025 Button Battery (Included) Memory Card: Supports Up to 16GB (Included) Mobile App Name: 5D Displayer Use Site: Indoor, Outdoor (Outdoor Needs Waterproof Measures) Useful Life: Life 50000 Hours PackageList1 x 3DHologramFan 2 x Base Bracket 1 x Memory Card 1 x Remote Control 1 x Card Reader