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Your cart is empty.Product Description
In stable startup mode, simply press and hold the button to adjust the desired brightness. There are three levels of brightness to choose from: low, medium, and high.
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AUTO ON/OFF for SAVING BATTERY
Suit for
Normal Flash Mode
Breathing Flash Mode
auto off when detect in no motion after 30 secs
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AUTO ON/OFF for SAVING BATTERY
Once shake it or detect the bike is moving, the bike back light will auto on again
NOTE: IF YOU LIKE TO RIDE IN THE DAYTIME AND NEED THE TAILLIGHT KEEP WORKING ALL THE TIME, please choose the mode 3 and mode 4 to avoid Light Sensor working. (Brake sensing is always ON in all of the modes.).
Upgrade Type C
Built-in charging port design, as long as the lights and brackets are tightened, you can ride freely without fear of wind and rain
Aluminum Alloy Shell
This bicycle brake light shell is made of high grade aluminum, has a nice small profile and awesome metallic appearance.
Power Indicator
Four blue breathe indicator lights, shows the remaining charge, each shows 25% capacity batterty , remind you to charge in time.
IPX6 Waterproof
It is IP65 Waterproof to withstand all types of weather conditions.
Robbie J.
Reviewed in the United States on March 2, 2025
Quality rear light. Well made and the technology is excellent. I would recommend it to others.
Customer
Reviewed in the United States on February 3, 2025
Great Bike Tail Light!This bike tail light works amazingly well! It’s super bright, easy to install, and provides excellent visibility on the road. The battery life is impressive and lasts much longer than expected. Highly recommend for any cyclist looking for a reliable and long-lasting rear light!
JP
Reviewed in the United States on February 23, 2025
I just bought this because it shows a under saddle mount but it also comes with a tilt adjusted seatpost mount. The light functions are very clever. And the way you can unscrew it from the saddle mount to charge is well engineered. Overall the light's features exceed anything else you would buy at this price. I'd give it 6 stars if I could. There are certainly more powerful lights if you're looking for something brighter that can be seen a half mile away, but it is great for basic visibility/safety purposes.
Mateo Estrada
Reviewed in the United States on January 8, 2025
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Mr J.
Reviewed in the United States on October 12, 2024
I purchased this taillight to augment the anemic flasher on my Garmin Varia Radar. The RockBros light is a great value and an excellent rear light. A full charge seems to last forever and the brake light function is appreciated by riding partners. The light is very bright and easily visible even on a sunny day. The light came with two mounts, a strap for the seat post or a clamp on mount for the seat rails. The light screws into either of them just like a bottle cap. The charging port is accessed when you unscrew the light from the mount. The strap mount works fine, but as a rule I just don't trust straps. I used the clamp mount, which installed easily and holds the light in place on the rails. The clamp was a slight bit loose on my rails, but a small bit of tape under the clamp fixed the issue. I've used the light for about 1500 miles on gravel and trails with no issues. Taillights are a simple bit of kit, but I really appreciate the added visibility, both day and night. Hard to beat the value and function with this light.
Scott T
Reviewed in the United States on November 26, 2023
My only gripe is setting 1 and 2 sense the sunlight and turns it off, which might be a feature your want... But I want it running during the day, but if your click it to setting 3 it stays on, so problem solved but it wasn't obvious when I got it and I was scratching my head trying to figure out why it was off.. mount interface is solid, great design, and I love how it detects you're slowing down and acts like a brake light, ppl mine be less mad when I roll that stop sign (hehe) as they can see that I was at least 'slowing'..
Jack & Toni
Reviewed in the United States on April 10, 2023
UPDATE: Rockbros refunded my purchase price, and I will re-buy when they make a unit that has auto on/off and motion sensing in the daylight. Outside of that, it is a very nice unit. Small and bright, with a good mounting system. The brake light algorithm seems to work well.UPDATE: The Q5 is a Tail light.The one I have, does not have auto on/off, motion sensing in the daylight - despite what RockBros.says. In fact, if you very carefully read the PR info, it says this.The tail light has manual mode, strobe flash and contiguous in the daylight, not auto on/off motion sensing.The RockBros Q5 tail light Has several problems. There is no way to shut off the ambient light sensor for the blink and breath functions. This makes it useless in the daylight and only useful at night. So the kid riding to and from school does not have a tail light, which is why I bought a vibration sensing/auto shutoff light in the first place.The manual says that mode 3 and 4 (strobe blink and continuous) are useful in the daylight, but they do not have vibration sensing or auto shutoff. So to get into that mode you have to push the button through all the other modes, and same to shut it off - not very "smart".So, I took the unit apart (thus voiding the warranty) to see if I could cover up the ambient light sensor. That didn't work because they use the off cycle of all the LEDs to sense ambient light. So, I had to block all the LEDs to keep it blinking in the daylight.I asked this question before I bought it, and got an inexact answer back from someone who is not a native English speaker.
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