Mworld2 Smart Bike Tail Light Bike Rear Light USB Rechargeable Auto On-Off Bike Light IPX6 Waterproof 4 Modes Intelligent Bicycle Tail Light with Brake Sensing Fits Any Road Bikes

Features: 180 degree field of view degree wide angle design, the led bike light will make you more visible for other road users in dark night or daytime. A build-in integrated accelerometer ensures accurate brake detection. With the brake sensor, Automatic ultra bright brake light will automatically light up after braking. In fast flash and breathing mode with light sensor, the flashing light will turn on automatically in low brightness and turn off in high-intensity light. IPX6 waterproof bike tail light against splashing water from any angle. Built-in 250mAh battery comes with a USB cable that charges from your computer, wall charger, power bank or any other device with a USB port. After charging for 2 hours, the tail light can work for 25—50 hours in different modes. Saddle mounting and Seat Post mounting offered fit on any road bikes. Specifications: Material: aluminum alloy, plastic Color: black Size(L x W x H):about 30x34x34cm Mode: 5 files Life time: 8-50 hours Waterproof level: IPX6 Battery capacity: built-in 3.7V 250 mAh battery Package included: 1pc x taillight 1pc x USB cable 1pc x stopwatch bracket Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.