✔【DIY As You Like】 3-Gang Blue Aluminium illuminated Rocker Switch, Free Night Glow Label, these switches not be signed and you could assign the switches to your needs. Best match with wiring harness for controlling lighting of Led Light Bar, Led Work Lights, Fog Lamps, Headlights, Taillights and Auxiliary Lamps, etc..✔【Size】The Aluminium panel Dimension:3.94"x4.33"x3.54"(Length*Width*depth), Portiforium Dimension: 8.2cm x 6.2cm ( 3.22in x 2.45in).✔【IP65 Waterproof】Waterproof components like switch panel, slot waterproof hat and rubber sealed ring, gasket make the panel watertight, protecting the device from moisture.Not worry about water when using them in boat or ship..✔【High-quality upgrade accessories】4.2A(2.1A+2.1A) Dual USB Slot Socket fast charging, LED Digital Display Voltmeter, Aluminum waterproof board; Backlight design on/off rocker switches, easy for you to find the switch in the dark..✔【Wide Application】Universally fit for 12V-24V vehicles, widely applicable for truck, jeep, trailer, RV, caravan, bus, marine boat, yacht, airplane, etc..✔【Parcel contains】Pre-wired Switch Panel Combination, DIY stickers, Night Glow Label, Screw, Manual. Easy to install. Red wire: connect the negative of the storage battery. Black wire: connect the positive of the storage battery. Blue wire: connect the negative of the storage battery. Yellow wire: connect the positive of the storage battery..✔【3 Years Warranty】Enjoy 3 year quality warranty, Offering customer technical service, If you have any problem with the product, please feel free to contact us.