










Bike Taillight Automatic Brake Detection USB Rechargeable IPX6 Waterproof
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Brake Light Activates Automatically – No Manual Effort Needed
Signal braking instantly and clearly to others — with an automatic sensor, USB rechargeable battery, and wide 492 ft (150 m) visibility.

Why is this Smart Bike Taillight perfect for you?
✔ Automatic brake detection for instant signaling.: The acceleration sensor detects braking in real time and activates a bright COB LED brake light automatically, removing the need for manual operation and improving safety by signaling slowing down like a car.
✔ High visibility light with wide 492 ft (150 m) range.: The COB LED casts widely visible light up to 492 ft (150 m), ensuring early and clear notice by others in diverse environments including city, countryside, and poor weather conditions.
✔ Waterproof and long-lasting USB rechargeable battery.: IPX-6 weatherproof rating protects against rain and splashing water, while the 600 mAh lithium battery offers approximately 812 hours runtime with about 3 hours USB recharge time, supporting reliable use in all conditions.

Specifications
Material: CNC-milled aluminum alloy 6061
Dimensions: approx. 2.09 x 2.09 x 1.50 in (5.3 x 5.3 x 3.8 cm)
Battery: 600 mAh lithium
Charging Time: approx. 3 hours USB

Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.
