4 Pieces Boat Bow Lights LED Boat Navigation Lights with 5 Pieces Button Batteries for Boat Kayak Pontoon Hovercraft Yacht Motorboat Bike Hunting Nigh Features: Protect your sailing safety The LED navigation kayak lights can protect your safety during the sailing. The LED navigation lights not only can provide lights for your sailing, but also can be applied as the warning signal in the bad weathers. Inclusive usages: These boat lights not only can be applied for most of boats, such as kayak, cargo ship and so on, but also can be applied for the bike and night running, fishing. Specification: Material: silicone Color: as pictures show Size:as the pictures show Package includes: 4 x Boat lights 5 x 2032 Button batteries Note: Manual measurement, there may be some error in size.