Include: a training box, 3 training pad. a USB camera. (camera is option, this type can directly use ipad, iphone or other smart phone for training) Camera: Digital straight USB camera, adjustable, High-resolution, low-latency, low requirement to CPU and Graphics Card. Systerm in WinXP/Vista/Win7/Win8 Linux with UVC(above linux-2.6.26) Apple: MAC-OS X 10.4.8 or later Wince with UVC Android 4.0 or above, Resolution is 1280*720p Adjustable focus Style: closed three sides, one side open for article into or out. Color: White Material: Engineering Plastics (the material has very good quality) Trainer box dimensions (length × width × height): 36cm × 32cm × 25cm Can Directly connect with your PC, Mac or Laptop. This is our 3rd version training box after we got many feedbacks from different buyers.