These new LED marine navigation lights include a 3.8 inch red and a 3.8 inch green LED strip. Longer life: energy saving, low temperature, low power consumption, longer life than 50,000 hours. Easy to install - 2-wire connection: black is negative and the other is positive. Suitable for navigation lights, bow lights, port lights and lights. Often used in boats, sailboats, pontoons, kayaks Number of LEDs: 6 LEDs Voltage: 12V-DC Waterproof rating: IP65 Number of bulbs: 4 Size and connection: Light size: 75mm x 20mm x 5mm (2.95 inch x 0.8 inch x 0.2 inch) Pitch: 82mm (3.23 inch) Line length: 250mm (10 inch) Material:plastic colour:Red + green Package Contents: 2 * green lights 2 * red lights Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.