The quantity is sufficient to meet needs Reliable and Waterproof: these boat light bulk are made of quality ABS, IP67 waterproof, reliable, suitable for all kinds of weather, 12V LED boat lights have a lifespan of 50, 000 hours, can you for a long time.Light up Your Way: our marine LED lights for boats contain 6 high brightness high power LED bulbs, these lights can make your boat or kayak visible and safe at night Besides, these LED interior lights are energy saving and low power consumption, which is a good choice Easy to Install: these led boat interior lights come with 2 wires to connect, the black is negative and the other is positive Use foam tape to fix the base before installation, and then put the screws through the 2 holes at both ends of the marine lights to secure light firmlyWide Application: our marine boat lights are suitable for marine navigation lights, decorative lights, night lights, deck lights, stern lights, courtesy lights, and interior lights for boats, kayaks, sailboats, yachts, and more. size: 9.6 x 2 x 1cm Material: PVC colour: Blue Package Contents:30 x marine lightsOnly the above package content, other products are not included. Note: Light reflection 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.