This smart lock box presents a simple and modern style in appearance design. The lock box is cuboid in shape as a whole, and the corners are rounded to avoid sharp corners. There is a curved metal padlock ring at the top, which is not only practical, convenient for padlock and carrying, but also visually breaks the monotony of cuboid and increases the layering of the design. The color of the main body is black, and the black shell is matched with the silver metal padlock ring, forming a sharp color contrast and highlighting the key parts of the product. Located on the upper part of the front of the lock box, there is a circular fingerprint identification area with fingerprint pattern icon, and below it is a numeric keyboard area. The numeric keys are designed in an embedded type and slightly recessed from the plane of the shell, which is not only convenient for pressing and operation, but also forms a sense of hierarchy visually.