Ultra Bright - The bike light has 2 units of ultra bright T6 lamp beads, 1000 lumens, 600 feet valid distance, 5 working modes (low, medium, high, strobe, SOS). Powerful Battery - Built-in high quality 4400mAh lithium-ion battery, 3 hours life in the highest brightness mode, strong energy ensures strong brightness. USB Rechargeable Bike Lights Strong shell and bracket - high strength 6063 aluminum alloy material. Fixed light bracket, the light bracket can also hold tough mountain trails. Easy to apply and remove. The lamp beads last more than 100,000 hours. Can be rotated 360 degrees - this light holder can be rotated 360 degrees, more convenient for night riding. IP65 waterproof and power indicator - IP65 waterproof, rainproof, no worry about rain. 3 scene performance display, 100%, 50%, 25%. Product Description -2 sets of T6 lamp beads make the light super bright. 1000 lumens, 600 ft valid distance. 5 modes (low, medium, high, strobe, SOS). -Button to open / close / switch modes. Long press to close - IP65 waterproof, not afraid of rain. -Built-in high quality 4400mAh rechargeable lithium battery, safe and efficient. 3 hours of life in the highest brightness mode, strong energy ensures strong brightness. Can be used as a flashlight. Versatile: Not only bike lights can be used as emergency flashlight in cars, basements, attics and emergency kits. Use it while running, jogging, hiking, camping, walking a dog, biking, changing tires, nighttime family/kids activities, power outages, etc. MORE