【High-Brightness LED】 This Serfas bicycle light features a high-brightness LED, significantly improving visibility at night. It supports safe riding. 【USB Charging】 Easily rechargeable via a USB port, making it convenient to use. Charging time is short, allowing for immediate use. 【Compact Design】 The small and lightweight design makes it easy to install and carry. It can be attached smartly without compromising the style of your bicycle. - Brand: Serfas - Type: Bicycle Light - Charging Method: USB Charging - Color: Black - Model Number: HL-100 Thank you for viewing.