Allows a reflective display to be used at night by lighting the edges of a front-mounted, transparent diffuser.
允许反射的展示在夜里被使用透过点燃一个正面安装，透明的扩散器的边缘。
2
Cylinder front-mounted, the driving force is transmitted through a wedge mechanism. With high stability and reliability.
油缸前置，驱动力通过斜楔机构传递。工作稳定可靠。
3
The front-mounted button is not a trackball, as has been speculated by some. It is a simple click-action multifunction "home" button analogous to the iPhone's central button.