Regalo Products Premium Dual Laser Lane Bike Tail Light - 3 LEDs, 7 Flashing Patterns - Bonus Instruction Setup Manual &#x2714; INCREASED SAFETY: Our dual lane rear bike light system automatically enhances safety on the road. The dual lane lights are visible from over 500 feet away, increasing the chance of drivers noticing and avoiding you. Unlike an ordinary LED light, our lane light creates two, hi-resolution lanes which drivers subconsciously avoid - keeping you safer from accidents on the road. Especially during a night ride. &#x2714; GREAT FOR EVERYBODY: This bike light is perfect for the casual bike rider or to the professional cyclist. Anyone can use and enjoy this light. Some additional uses are - but not limited to - walking, jogging, strolling, hiking, or even great to use for car and road emergencies. Our bike light also comes with a premium universal mounting bracket, making our light more compatible than any other light on the market. The possibilities are endless with this lane light! &#x2714; LONG-LASTING: Our bike LED light stays on for as long as 36 hours. Specifically, the bike lane light takes 2 AAA batteries - which are not included with your purchase. &#x2714; VARIETY OF MODES: Our bike light has a variety of flashing systems to make sure you get noticed on the road. 3 LEDs serve as a traditional bike light, while the dual laser lane light comes with 2 different flash modes - always on/solid, flashing. The 3 LEDs also have 7 different flash modes, further ensuring your safety.