Specification – This 12v cigarette lighter socket required a 29mm mounting hole size, the height is about 55mm, suitable for standard size mounting panel. Easy to Install -This 12 volt cigarette lighter socket will come with a mounting plate, which makes the installation and replacement of the 12v socket easier for you.Safety Charging design will prevent your devices from over-heat, over-current, over-voltage, over-load, and short-circuit. Waterproof & Dustproof – Nylon housing have effective scratch resistant ,The female cigarette lighter socket will come with becoming cover for preventing the water and dust from entering, makes the 12v power outlet waterproof and dustproof, can effectively enhance the lifespan of the 12v auxiliary power outlet. Timely Customer Service – Welcome to contact us if you have any questions or concerns. We will be patient to solve your problem and offer proper solutions for you. You get – 3 x Cigarette Lighter Socket Panel Mount Covers 3x Cigarette Lighter Power Sockets 3x Black/Red Wires (Long39.4Inch) 6x Insulated Terminals 6 x screws, 24-month warranty and our friendly after-sales service.You are purchasing directly from the manufacturer. Timely Customer Service – Welcome to contact us if you have any questions or concerns. We will be patient to solve your problem and offer proper solutions for you. You get – 3 x Cigarette Lighter Socket Panel Mount Covers 3x Cigarette Lighter Power Sockets 3x Black/Red Wires (Long39.4Inch) 6x Insulated Terminals 6 x screws, 24-month warranty and our friendly after-sales service.You are purchasing directly from the manufacturer.