1.durable and corrosion, this can replace cup holders and cup holders without LED. 2. (15 LED Blue Lights): blue glow make your boat looks bright and cool, you can wire 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 installed anywhere like on a table, dashboard, counter top, seatback and it will not loose, equipped with coaster, to reduce noise and prevent drink container from sliding 4.With this Led stainless steel drink holders.you can dress up your party , center console or sport cruiser.Recessed design make easy to install on boat,table,sofa etc. 5.Equipped with bottom, to prevent cup from sliding. Easy to use. Suitable for hot, warm, cold, iced beverages. , 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/ 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.