Wide Operating voltage: DC 11-18V LED technology designed to withstand fluctuating working voltage and not still make it energy-saving and long-lasting for more than 50,000 lighting hours. Interior and Exterior Compatible with 12 Volts DC recreational vehicles: Easy Installation - electric polarity red wire(+), black wire( - ) and comes with nuts and screws to hold it in place directly. Waterproof IP65 & Sturdy: compared to the old-typed gasket-sealed design, the LED panel of this new type is completely sealed with resin, and water will NOT get into the light or disrupt lighting even when you take off the lens. With all-weather molded plastic housing and long-lasting lenses, it lasts a long time with superior quality material. Two Lenses Options: Includes 2 snap-in replaceable lenses, clear and amber You can choose whatever suits your situation best or the light color (white or amber) as you wish. Please note that this item does NOT include an ON/OFF switch. Specifications: Total 24pcs High power 5050 LEDs output of 320 Lumens - Size: 6" x 3.6" x 1.8"( 15.4cm x9.2cmx4.6cm)