Lightweight & Bright LED That Clips Securely & Comfortable Onto Clothing. Ultra Strong Clip Making the be Seen Clip on Light Perfect for Runners, Childrens, Even Dogs & Anyone Wanting to be Seen & Safe. Features Two Modes Flashing & Constantly High Visibility. 2 x Cr2032 Batteries (included). Battery Life 72 Hrs Steady or 144hrs Flashing. Available in Red, Green, Blue. Minimum Quantity:.