Thank you for viewing. This is a safety light for bicycles. Unopened, unused item. ● 7 different lighting/flashing patterns ● Continuous lighting: Approximately 350 hours ● Continuous flashing: Approximately 700 hours ● Easy to install ● Includes a hook that can be attached to bags or belts Uses 2 AA batteries ※ Batteries not included The packaging has some minor scratches from storage, but the product itself is unused and can be used without any problems. Thank you.