Stay safe and be seen on your bicycle with our LED rear bike light. The light has a high power 1W red Chip on Board (COB) LED that is powered by a 3.7V, 330mAh Li-ion rechargeable battery. The COB LED illuminate as a light panel while producing a brighter and wider array of light compared to standard LEDs. It offers you added usability with eight settings, four in steady mode (low to high power) and four in flashing mode (slow to fast). The low battery indicator will remind you to charge the lights and keep them ready to use. The included USB cable allows you to charge the batteries at your convenience. The lights take approximately three hours to get fully charged and provide up to six hours of light depending on the light setting. Its IPX4 rating makes it water-resistant, allowing you to ride your bike without worrying about water damaging it. The light comes with easy-fit mounting brackets for simple attachment to your bike help your ride be visible in low light and keep you safe on roads.