Features:USB interface 2.1inches water cooler screen easy to operate with usb 9pin cable by default. Aluminum alloy CNC-intergrated shell-,high-gloss mirror outer ring.Self-developed software, more professional, occupy less resources. Support dynamic video background;Brightness adjustable and 360 degree rotation- Multimedia playback, automatically play the video or photo in the internal storage when the machine is turned on Specifications:2.1inch Water-cooled ScreenResolution:480x480Size:approx 740x740mm/2.91inColor:White/ BlackMaterial: Aluminum AlloyWeight:75gFeatures:IPS Round Note:1.Please allow 1-2cm errors due to manual measurement, make sure that do not mind before order.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1PC Water Cooler Screen