We need to make it an impression of simplicity, scientific and credible. So in this design we get rid of sall the garish decoration and exaggerated form, but only give it a sense of light quality and professional as it should be. The waterproof buttons, which we design meticulously for it, all have a pattern on each of them, showing its function as a clear guidance for users. The equipment have a compact figure,. And it also fulfils user’s preference in team of color, which is clear, light and harmonious.