12 LED super diodes for each light. Wiring Information: 8" submersible lights have 3 wires (one with ground ring). Included: 2 Red Submersible Trailer Lights.. Function: Stop, Turn, Tail Light, License Plate Illuminator, LED Light: Submersible light has LEDs , Material: Polycarbonate housing, Voltage: 12 V, Weather resistant: built to handle big weather temperature variations, In stock in the USA and ready to ship,