1. The name of the design product: convenient folding type pulse
detector (double frame). 2. The use of the design product: for
metal detection. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the bottom view is not easy to see, so it is omitted; the top view is shown in the submitted view, so it is omitted.