1.durable and corrosion, this excellent can easily replace cup holders and cup holders without LED. 2. (15 LED Blue Lights): Nice blue glow make your boat looks very bright and cool, you can wire them into a switch and you can turn anytime. 3.Easy Installation: It come with a ring of two sided tape under the flange and you can be easily installed almost anywhere like on a table, dashboard, counter top, seatback and it will not loose, equipped with firm coaster, to reduce noise and prevent drink container from sliding 4.With this Led Lighted stainless steel drink holders.you can dress up your party , center console or sport cruiser.Recessed design make easy to install them on boat,table,sofa etc. 5.Equipped with firm bottom, to prevent cup from sliding. Easy to use. Suitable for hot, warm, cold, iced beverages. Compact, lightweight and portable. Provides top strength and durability. Application areas: RV, yacht Colour:Silver Material:stainless steel Size: 11x8.4cm Package Contents: 1 x Car/Ship Drink Holder(Without battery) 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.