Description: The total length of the extension cable is 1.6m.The wiring installation of the PCI expansion slot is convenient. Can be easily stick on the desktop by the sticker on the back of button switch. Function: Using the desktop mobile switch, you can lock the computer chassis by pressing the power/restart button on the desktop mobile switch. It adopts dual USB transmission ports, which mobile phone charging, keyboard, mouse and headset functions. Adopting arc design, it is comfortable to use. There is a drain hole at the bottom, which makes the switch waterproof and damp-proof. Occasion: Suitable for household, office, hotel, internet bar, etc. Specification: Item Name: Computer Case Power Switch Material: ABS Plastic plus electronics Line Size: Length 1.6m/ 63 inch Weight: 150g Features: Waterproof, Damp-proof, Easy Installation Package Includes: 1 Piece Computer Case Power Switch 1 Piece 1.6M Cable 1 Piece Screw 1 Piece Metal Card Slot Bar : 1. Please allow 1-3mm error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3. The USB port is only a power supply and can not transfer data.