These high quality LED replacement bulbs save power. Same light output as a 10W incandescent bulb. Using SMD3528 chips. LEDs are located 6 on 5 sides leaving no 'blind spots' meaning they give an even light for navigation light fittings. Warm White providing a very bright light that can be used for Bi-Colour navigation lights as warm white works more effectively through coloured lenses than the white model. Specifications: LEDs: x30 Voltage: 8-30v DC Colour: WARM WHITE Consumption: 3.6 watts Lumens: 150 warm white