Smart Bike Tail Light, Smart Brake Light Ultra Bright, USB Rechargeable Auto On/Off, IPX6 Waterproof LED Bicycle Lights, High Intensity Rear Accessories Fits Any Road Bikes - JMROY, JMROY- J3 smart brake bike taillight

• UPC   788485569518
• 【Ultra Bright Bike Brake Taillight】A built-in integrated accelerometer ensures accurate brake detection, the rear light will automatically turn to brake modes to warn the car coming from behind when decelerating or emergency braking, great for riding on nights. 4 light modes for your choice: slow flash, breathing, flicker and steady on. 【Two Mounting Way】 The smart bike tail light comes with two bracket for mounting on the bike, you mount it under the saddle rail or use the rubber band to mount on the seat post. No extra tools needed, easy to mount and remove 【USB Rechargeable Long Life Battery】 Built-in 300mAh Polymer Lithium battery comes with a USB charging cord that charges from your computer, wall charger, power bank or any other device with a USB port. After charging 2 hours, the tail light can work for 12—30 hours in different modes 【IPX6 Waterproof & Shock Resistant】smart brake tail light come with aluminum alloy,water spray from any direction will not enter the light even in big raining. The smart rear light built with excellent vibration resistance, can be used for any terrain ( Tips: Please turn the light mode to the steady on if you wanna use it in the daytime. because This taillight has a smart light sensing function. Light intensity will be automatically dimmed under strong light to reduce the power consumption). 【WARRANTY】: We provide this smart bike tail light with 12 months warranty and after sale-service. Any doubt, please feel free to contact us.