[IP68 Waterproof ]:The protection level of the stern light is up to IP68 waterproof,IP68 Waterproof, can work under any conditions. No need to worry about marine working.[Universal Fitment ]: Led marine lights for boats, Widely work for Pontoon,Fishing Boat, Dinghy, Bass boat, Jon boat, Boat Trailer, Warships, Submarines,Kayak, Yacht, Sailboat,etc. Can perfectly replace the lamp you want to replace.[Ultra Brightness]:6Pcs 2835 high quality SMD LED each light,Built-in ultra bright LED beads, provides maximum visibility Can effectively convey signals and draw attention.[Easy Install]:Flush mount,2-wire connection: black is negative,red is positive,Fix with screws, greatly improve your navigation safety,they can be mounted anywhere you want.[Durable Material]: Durable chrome clear plastic lens and body, quality flange constructed chrome bezel, prevent seawater erosion,providing maximum strength and long life,Bright LED bulb provides a simple and effective boat safety lighting with low power consumption.Colour:Silver+transparentMaterial:Plastic + Waterproof Adhesive + Electroplating PartsSingle size: 7.5 x 7.5 x 1.6CMPackage Contents:10 x warning lights20 x screwsOnly the above package content, other products are not included.Note: Light shooting 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.