Feature: 1. 3D Holographic Fan Projector: Rotation speed is 1200rpm/min, 170° viewing angle, 512 x 224P resolution, video and image can be clearly seen even under high ambient illumination, and video image display in general format is supported. 2. 224 LED Lamp Beads: A 3D holographic fan made of 224 professional high definition LED lamp beads can show videos and images with 3D effects. The visually lifelike holographic effect helps you better attract customers and become a compelling existence. 3. Software Operation: Customizable video and picture editing, the memory card comes with pattern editing software, and supports for Windows 7 and forWindows 10 operating systems. Support WiFi control, remote control, computer control, mobile phone app control. 4. 3D Effect Advertising Machine: The images and videos displayed on the holographic advertising machine have no borders and backgrounds, making the audience feel that it is completely floating in the air, creating the best attraction for your product or event. 5. Wide Range of Uses: Holographic projectors are widely used in shopping malls, restaurants, bars, transportation, hospitals, schools, enterprises, event venues, stages, exhibition halls, etc. The system is compatible for Windows XP 7 8 10 systems. Specification: Item Type: 3D Holographic Advertising Machine Model: DF-42 Material: ABS + PC + Hardware Colour: Black Remote Control: Support Remote Control Battery: Built In 23A 12V Battery (Included) Remote Control Battery Capacity: 60mAH Display Diameter: Approx. 42cm / 16.5in Resolution: 512 x 224P Number of Lamp Beads: 224pc Speed: 1200rpm/min Memory Size: 16GB (Built In Memory Card) Viewing Angle: 170° Content Replacement Method: Memory Card, WiFi, APP Play File Format: BIN Support Format: MP4/AVI/RMVB/MOV/GIF/JPG/PNG Service Life: >30000 Hours Software Support System: For Windows, for Android system Scope of Application: Widely used in shopping malls, supermarkets, shops, etc.. Package List: 1 x 3D Holographic Advertising Machine1 x Remote Control1 x Memory Card (16GB)1 x Card Reader1 x Wall Bracket2 x Expansion Screw2 x Expansion Screw Cover1 x Power Adapter1 x Manual Note: 1. Non main business people are not allowed to disassemble the product. DF‑42 3D holographic fan advertising machine is not equipped with a protective cover. The product needs to be equipped with a protective cover to avoid damage or personal injury. Please install the product in a place out of reach of people (recommended Installed at a position above 3.5 meters), otherwise it must be equipped with a protective cover.2. Manual measurement has 1‑2cm error.