Bicycle Tools features: 2020 Bicycle taillight 16 led cycling smart brake lights usb rechargeable 5 modes safety warning light motorcycle helmet lamp(03) Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. Colour:03 Description: 1. Using full-face lighting technology, 16 bright COB lamp beads are brighter and safer to ride at night. 2. Five modes: low light, medium light, highlight, flash and SOS, which can be selected according to their own needs. 3.180 wide illumination, which can be seen from any angle behind. 4.650 mAh battery, long battery life, no need to charge in one day. 5.IPX6 is highly waterproof and has no fear of rain and fog. 6.USB charging is fast, convenient and fast, and can be filled in 1 to 2 hours. 7. Easy to install, with its own base, which can be installed in vehicle management, backpack, etc. 8. Hard plastic, chrome-plated shell, durable. 9. Small and portable, 4.5*4.5*2.2, which will not bring pressure to riding. Specifications: Specifications: Product Name: Intelligent Induction Warning Taillight Color: gold, silver, black, blue Material: hard plastic, chrome-plated shell Product dimensions: 4.5*4.5*2.2cm Use light source: COB red lamp wick Charging method: USB charging Luminance of lamp bead: 60 lumens Charging time: about 1.5-2 hours Battery capacity: 650mA lithium battery Light gear: five gears are adjustable Life time: about 10 hours Waterproof grade: IPX6 strong waterproof Operating temperature:- 20 c-40 c Product weight: about 31G Note: Due to different production batches or different shooting light and display, please allow an error of 1-3 cm for manual measurement. There may be slight differences in color and details, but please rest assured that this will not affect the use effect. Thank you for your positive feedback and support, please feel free to buy If you have any questions, please tell us first, and we will provide you with the best service and solve the problems as soon as possible. Package Included: 1* taillight 1*usb cable 1* base