Light Up Your Ride with Intelligent Safety
Upgrade your cycling experience with a rear light that does more than just shine. This smart bicycle tail light is designed for riders who value safety, convenience, and performance. Whether you’re navigating city streets or cruising on evening trails, this rear light has your back—literally. With brake-sensing technology, automatic start/stop, and a digital power display, it’s your ultimate companion for smarter, safer rides.
This light is packed with intelligent features that work seamlessly in the background, so you can focus on the road ahead. The auto start/stop function detects motion, turning the light on when you ride and off when you stop—no need to worry about switching it manually. The digital power display ensures you’re always in control, helping you plan your rides with confidence.
Best used during early morning commutes, twilight rides, or night-time cycling sessions, this rear light adapts to your routine while boosting your visibility in traffic. With a long-endurance battery and six lighting modes, it keeps you seen, safe, and stylish.
Why You’ll Love It
- Brake-Sensing Technology: Instantly brightens when you brake, alerting vehicles behind you.
- Auto Start/Stop: Light turns on when you move and off when you stop, saving battery life.
- Digital Power Display: Clear, real-time battery monitoring so you’re never caught off guard.
- Long Battery Life: Choose between two capacity options—rides up to hours without recharging.
- Water-Resistant Design: Rated IP55, tough enough for rainy days and rough roads.
- Lightweight & Compact: Weighs under 1 oz and measures just over 1 inch—discreet yet powerful.
Designed for Daily Riding
This taillight is perfect for daily commuters, weekend adventurers, and anyone who values visibility and safety. Whether you’re riding through the city, exploring country roads, or heading out before sunrise, this light ensures you’re always noticed. Its intelligent sensing, sturdy build, and sleek form make it a top pick for every cyclist.
Don’t settle for an average rear light when you can ride with one that thinks ahead. Stay seen. Stay safe. Ride smarter.
Get yours today and light up every ride with confidence.
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
How do you ship packages?
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Do you ship worldwide?
Yes. We provide shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.
What about customs?
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
How long does shipping take?
Shipping time varies by location. These are our estimates:
| Location | *Estimated Shipping Time |
| United States | 10-30 Business days |
| Canada, Europe | 10-30 Business days |
| Australia, New Zealand | 10-30 Business days |
| Central & South America | 15-30 Business days |
| Asia | 10-20 Business days |
| Africa | 15-45 Business days |
Do you provide tracking information?
Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.
My tracking says “no information available at the moment”.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.
Will my items be sent in one package?
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
Order cancellation
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Refunds
Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:
- If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
- If you received the wrong item you can request a refund or a reshipment.
- If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.
We do not issue the refund if:
- Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
- Your order did not arrive due to exceptional circumstances outside the control of Marvelion (i.e. not cleared by customs, delayed by a natural disaster).
- Other exceptional circumstances outside the control of https://grandgemsgallery.shop
*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
Exchanges
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
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