It is not only very convenient for you if your base station is not near an electrical outlet, but also the custom on/off switch could prolong the life of your HTC Vive LightHouse 1.0. Because Frequently plug and unplug the htc vive base station power adapter or the base station is power on for a long time, which can easily damage the lighthouse or even scrap it. So It is very important to install a htc vive base station extension cable with protection custom on/off switch. CooJump store manager strongly recommends it. Please buy this part with confidence. All of the parts will be double checked before shipping. Note: only work for HTC Vive Base Station 1.0 if you need 1.0m / 3.28ft htc vive base station extension cable with on/off switch,please click here if you need 5.0m / 16.4ft htc vive base station extension cable without on/off switch, please click here