Specification: Machine Edition: T40 Plain Edition Dimensions (MM): 410x80x30 Display diameter (MM): 400x400 Resolution: 640*640 Number of lamp beads: 224 Visual Angle: 180 Rated power: 10-15w Power input voltage: 100-240V/AC 50/60Hz Power output voltage: 12V 2A TF memory card: 8G Video/picture format: MP4/AVI/GIF/JPG/PNG Software Support System: T40 General Version: Card/computer; T40 (Plain Edition/Highlight Edition: Card/mobile APP/computer Button Battery: CR2025 3V 150mah Product Weight:196g/6.9oz Package Size: 467 x 110 x 78mm/18.4 x 4.3 x 3.1in Package Weight: 18.1oz/514g Note: 1. To avoid injury, please install the product in a position that can not be touched by the hand, or you can choose a protective cover to ensure personal safety.  2. This product is an electronic product, please pay attention to waterproof and dustproof. For outdoor use, please provide protective cover.  3. Non-professionals, please do not disassemble this product, so as not to damage or cause personal injury.  4. The normal working temperature of advertising machine is -20℃-60℃. If the ambient temperature is too low or too high, please use this machine with caution. 5. Please do not use or store the machine in high temperature, high pressure, b magnetic field, big dust and damp environment. Packing List: 1 x Holographic Advertising Machine 1 x ASdder Fixed Pendant 1 x Remote Control 1 x 8GB TF Card 1 x Power Adapter 1 x Screw Pack 1 x Instructions