Easy Use:Battery kill switch can be turned on and off remotely via a remote control, eliminating the need to open the hood of your car to manually turn the battery on and off. Pure Copper TerminalThe use of pure copper battery terminal connector and a new structure can avoid the problem of battery terminal connector breakage during installation and use. With Feedback FunctionAfter the traditional battery kill switch presses the remote control's OFF button, if the signal is interfered, the battery kill switch sometimes does not shut off, and then there is no way to know whether the battery kill switch is shut off or not, so it does not play the role of power-off to protect the battery. But our battery kill switch is with feedback function, from the remote control can know the on and off state of the battery kill switch, really play a role in protecting the battery. Universal for all battery tapered post typesWe have configured two types of Battery terminal connector that are universal for all current car battery's Tapered Post Type: Tapered Post Type(SEA/DIN/EN) with a diameter of 17.90.4mm and Tapered Post Type(JIS Pencil Post) with a diameter of 11-12mm. Refer to the supplied instruction manual for the installation method. Protects batteries and extends battery lifeWhen the car needs to be parked for a longer period of time, the car battery can be turned off through the remote battery disconnect switch to prevent the battery from being drained, which will prolong the life of the battery.