Provides 20 lumens of light; runs for 17 continuous hours;visible 3.4 miles (5.5 km) on a dark, clear night;Impact-resistant and waterproof (IPX7 rating);Designed to be attached to a Personal Flotation Device;Unbreakable lifetime LED bulb never needs replacing

• Marine See-Me Light LED 1.0
• 4.95x1 Inch
• Yellow

Marine See-Me Light LED 1.0Ultimate Survival Technologies