If you are worried about the limited dashboard space in your car or boat, then this 12V car socket charger is definitely the right choice for you. It adopts a surface mounting method, and only a small hole needs to be drilled. Compared with the large holes required by other long-body products, it is more convenient to install and less destructive to the vehicle. It is very easy to install and can be installed on a flat surface. First, make a small hole to thread the wire, connect the black wire to the negative pole, and the red wire to the positive pole, then screw on two screws and cover the lid to complete. This charger is surface-mounted, and there is no need to make a large hole, which saves space and reduces damage to the installation surface. The upgraded version is equipped with an independent anti-slip switch, which can control the power supply at any time, which is convenient for users to use according to actual needs. It can also prevent the battery from running out of power, extend battery life, and control the on/off of the indicator light. Press the button to activate when the power is turned on, and it will automatically reset to the off state when the power is turned off, which is safe and reliable. In terms of safety, the 12V USB socket adopts a nylon shell, which is scratch-resistant and wear-resistant, effectively protecting the charger. At the same time, it has a built-in smart IC chip to prevent the device from overvoltage, overheating, overload or short circuit problems, providing all-round safety protection for the device.