The most suitable for: suitable for bicycles or boats, used for warning lights. Or you can use it for climbing, running, camping, etc. Easy to install: This cute LED warning light comes with a flexible silicone body and double hooks, allowing you to hang it anywhere. No tools required, easy to fix, saving your installation time. Very bright: The warning light is designed with 2 bright LEDs, and the effective visibility exceeds 600 meters, ensuring your riding or sailing safety. Three modes and long life: one-button switch design. This warning light will bring you more fun through three modes: flash, slow flash and long light. The full-bright mode can last for 35 hours, and the flashing mode can last for 160 hours. More importantly, you can replace the battery yourself when the battery is dead. Waterproof: The light is waterproof, so you can go out to travel at night, because of the waterproof design and durable silicone body, you don't have to worry about riding or sailing in bad weather. Product descriptionSpecification:*Power supply: 2PCS 2 x CR2032 batteries (included). *Mini, sturdy, durable and flexible. *Long LED life: 10,000 hours. *One-button open design. *Easy to install: Using flexible rings, you can clamp them on any pipe with a diameter of about 5/8 to 1 inch. *3 Mode function: always on, fast flashing, slow flashing. Application:Boat or kayak navigation lights, bow lights, stern lights, night lights, pet lights, skateboard lights, etc. Battery life:Each LED light is equipped with 2 CR2032 batteries. The full-bright mode can last for 35 hours, and the flashing mode can last for 160 hours. More importantly, since CR2032 batteries are easy to buy from stores, when the batteries are exhausted, you can replace the batteries yourself. * High-end and high-quality packaging. *Strictly test before shipment. Notes:Waterproof, but we recommend not to put it in the water for a long time. Package includes:2 x LED security lights