Spot and Flood Beam Combo Design: Latest improved rechargeable bike lights ! The headlight can be switched between high and low beams, or work together. It offers an intense spotlight for long-range observation up to 150 feet while floodlight for large area illumination. See wider, further, or both is all up to you! Multi Modes & Extremely Bright: Adopted extra-large light beads, our bicycle lights provide 500 lumens of super bright illumination. Designed with two independent light controls, it can be configured for 2X4 (front light) + 2X6 (back light) various independent modes, including high, medium, low, and several flash modes. USB Charging & Long Battery Life: Built-in 1100mAh battery for headlight and 330mAh battery for taillight, you can fully charge both lights at the same time in just 1.5-2.5 hrs with the included two ports USB cable. No longer wait for 3-4 hours! Large capacity battery ensures a long life working time of 35 hrs (in low light mode) IP65 Waterproof & Durable: Fully upgraded IP65 waterproof cycling lights allows you to ride in bad weather. Enjoy your riding even in fog or rain! Made of high-quality casing, it is built for tough handling and beating with excellent impact resistance and heat dissipation. Your LED bike light will survive a 10-foot drop.Quick Install & Multifunction: Stretchy watch band strap design is very easy to affix securely to your bike. Lightweight and compact, easy to carry in a pocket. This bike light set is ideal for cycling, hiking, camping, or where visibility and safety are a concern. Also, it can be used on backpacks, strollers, and other locations. Quick Install & Multifunction: Stretchy watch band strap design is very easy to affix securely to your bike. Lightweight and compact, easy to carry in a pocket. This bike light set is ideal for cycling, hiking, camping, or where visibility and safety are a concern.