Main advantages of DP Virtual Display: 1. It can simulate up to 4K resolution, that is, 3840x2160 resolution. 2. Small size, low power consumption, no heat. 3. Support plug-and-play and hot-swapping. 4. No driver required, supports all systems The main function of this product is to simulate a display. Its main uses are: 1. When controlling the computer remotely, the screen resolution can be set to a very high value, instead of the lowest resolution black screen state. 2. Let the graphics card work normally and dissipate heat properly when using it. 3. A low-cost solution that replaces the monitor and can be used to test graphics cards and related applications. note: With work indicator light Material: plastic+metal colour: Black Package Contents: 1 x Displayport Dummy Plug Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.