Keep moving, keep lit! This self powered night light harvests the power of kinetic energy and converts it into electricity! As long as there is movement there is light. Powered by your movement, every step you take jogging, walking, hiking, dancing, or cycling powers the 6 LED safety light! Ideal for dawn, dusk night activities. The IPX8 waterproof rating makes running in the evening rain a reality. Easily clips onto your clothing, shoes, backpack, bicycle or clips onto your pets leash or collar! Ultra convenient, there's no battery to charge or change out!