Package: 10 Pack LED boating lights . It's a convenient combination to apply and replace.( Note: when you use up the AG10 batteries, you can replace them by yourself). 3 Light modes: One-Press switch design,provided with steady lighting (can last for 80 hours in maximum), flash and slowly flash (can last for 160 hours in maximum),which can satisfy your different lighting needs, provide a simple and effective boat lighting. Easy Installation:These boat lights comes with flexible silicon body and double hook that supports you to hang it any place. You can install them without any tools. Application: Perfect for Boat Navigation Lights, Boat Stern Lights, Decorate Light, Night light,Deck Lights, Courtesy Lights and Boat Interior Lights on Marine Pontoon Boat, Dinghy, Sailboat, Kayak, Bass Boat, Jon Boat, Yacht, and so on. light can be applied in the and can applied be as a warning signal in the bad weather. Colour:blue Material:Silica gel Size:5 x 5 x 3CM Package Contents: 16 x LED tail 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.