No original box. Listed due to a change in specifications. I didn't notice any dead pixels. I've been using it with a monitor arm for a long time, so the stand has been removed. I can't find one of the M4 screws for the stand. Only one side is screwed in. I will include a used monitor arm. Accessories: Power cable Monitor arm spacer You might need an M5 screw. About this product Features Supports a 165Hz refresh rate* for beautiful, smooth display of the gaming world. *Display Port only "1ms Motion Blur Reduction" inserts a black screen between frames of video to reduce afterimages and display a clear image. AMD FreeSync Premium technology supported. Reduces tearing and stuttering for smoother visuals. Equipped with gaming features such as DAS mode, which reduces video output lag, and Black Stabilizer, which enhances visibility in dark scenes. Panel: VA (Non-glare) / Viewing angle (horizontal/vertical): 178°/178° / Response speed: 5ms (GTG) / External dimensions: Width 540 x Height 414 x Depth 196mm / Weight: 3.6kg