Extraordinary Brightness - Blasts a powerful 120 lumens, 180 wide angle red/white/blue beam to be seen far, making it a top of the line light.Ideal for use as navigational, signal or safety lights. These lights can be attached to any bikes, pet collars, running, jogging and walking gear. Multiple Lights Modes - bike taillights feature an one-touch switch with seven different lighting modessteady normal, steady high, breathing, flash slow, flash normal, flash high and strobe. The color Include red/white/blue. USB Rechargeable with Decent Battery Life - Never waste money on batteries again.For a quick charge, just connect the cycling light with any USB devices such as power bank, car charger or ac outlet adapter. Easy Installation - This rechargeable bike light installs in seconds with a convenient one-touch dismount button, you just need to slide the light on & off the mount without removing the whole mounting bracket. Buy with Confidence - accept returns within 30 days without any reason and offer the replacement of products or accessories within one year. Please feel free to contact us if you have any problems, we will do our best to help you.