1. ABS shell, ultrasonic welding. 2. Nickel plated plugs have good contact performance and are not easily oxidized. 3. VGA port with screw lock. 4. Using a direct connection method, connect the RJ45 connection cable between the two adapters to form a VGA female to female connection cable, which is used for device interface extension and conversion 5. Size: 1.96 inch x 1.25 inch