Doorbell receiver and its main body

Abstract

1. Name of the product in this design: Doorbell receiver and its main body. 2. Purpose of this design: The doorbell receiver is used to receive notification signals from the doorbell lock, and the main body is used to construct the entire doorbell receiver. 3. The key design features of this product are: the shapes of Design 1, Design 3 to Design 5, and the shape of the solid line drawing part of Design 2. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: Other explanation: The dashed lines in Design 2 indicate the parts that do not require protection.

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