Features 1、3 Light Modes: 3 light modes (up to 160 hours continuous), which can be switched quickly as needed, providing simple and effective ship safety lighting. 2、Intimate Design: Comes with a flexible silicone body and double hooks that allow the light to be hung anywhere on the boat. 3、Easy Installation Removal: This navigation light is easy to install or remove, simple to operate, easy to use, and can be installed or removed within 3 seconds. 4、2 LEDs: 2 LEDs, which can provide visibility at a distance of about 900 meters and improve safety when rowing at night, very bright. 5、Uses: LED navigation lights are important marine accessories, suitable for different types of boats for different outdoor purposes. Item Type: LED Navigation Lights Material: Silicone, Metal Battery Type: Button Battery (Shipped with Built in Battery) Battery Model: CR2032 Number of Batteries: 2 Battery Capacity: 260mAh/pc Package List 16 x LED Navigation Lights 1 x Storage Bag