This 4 way socket allows you power up to 4 electronic items at once! Simply plug it into your vehicle's 12v cigarette lighter to quickly expand from one DC socket to four. Simultaneously power your electronics. Ideal for powering your laptop, cell phone, CD player, satellite radio, radar detector, etc. This item also includes a built-in fuse protector to protect your vehicle from damage. Plus it includes mounting hardware (screws, mount and double-sided tape) to help you position the unit securely onto the dashboard inside your vehicle. 34 inch cord length.