Surface mont design eliminated the need for large hole cutouts in trailerceiling. White housing design blends well with refrigerated trailer interiors.Available with integrated on/off switch as well as externally controlledversion. Lens design recesses lens ito housing to prevent damage from impact.Not affected by cold temperatures, providing flicker-free lighting with afaster start-up time. Ideal for vehicles operating in cold weather. Solid-stateLED design is impervious to damage from shock and vibration. Retrofit orreplacement is quick and easy. LEDs are fully encapsualted in epoxy to preventdamage caused by moisture and corrosives. Recommend 3 #10 machine screws formounting, with torque of 15-18″ lbs. Warranty: Lifetime Lens Color: Clear Lens Material: Polycarbonate Light Type: LED Lamp Connection: Hardwired/Stripped End Diodes: 6