Features: It can be used for centralized connection of electronic equipment to provide stable signal transmission. The kit contains the main control board and the hub board, which is manufactured by advanced technology and has the characteristics of easy installation and use. It has dustproof and waterproof functions and is suitable for various environments. It is suitable for professionals such as electronic engineers, enthusiasts and electronic equipment manufacturers, as well as individual users who need centralized connection of electronic equipment. This product is widely used in electronic equipment manufacturing, circuit experiment, wireless communication and other fields, and can be used for centralized connection of mobile phones, computers, cameras and other equipment. Specifications: Component:ABS+PCB Type:01/02/03 Package Size:Approx.11.2x11x2cm/4.41x4.33x0.79inch Package Includes: 1 Set Bullant Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.