Rugged ABS base with LED light enginge assembled directly into reflectorized acrylic lens. LED light engine consists of 2 LED lights that are mounted into a circuit board that is then potted and sealed to protect against water and other elements. 4" x 2" x 1-1/32" w/5/8" depth. Rugged ABS base with LED light enginge assembled directly into reflectorized acrylic lens. LED light engine consists of 2 LED lights that are mounted into a circuit board that is then potted and sealed to protect against water and other elements. 4" x 2" x 1-1/32" w/5/8" depth.