They besides have same outside the 3 million grade that resemble element, still have use SD to get stuck likewise as memory medium, ply does not exceed 1 inch, OK and pensile before the bosom.

• 它们除了拥有同样三百万像素的等级外,还有同样使用SD卡做为存储介质,厚度都不超过1英寸,都可以悬挂在胸前。