Ascher USB Rechargeable LED Bike Tail Lights 2 Pack, Bright Bicycle Cycling Rear Light, 4 Light Mode Options Safety Bike Light for Adults Kids Men Women Road Mountain(2 USB Cables Included)

Lightweight and durable. Simple operation with one button. Four modes (high,low 2 flashing modes). These are extremely bright for both day and night. I could see them from about 30yrds under noon daylight. Other models may be brighter for daytime but these work well for a fraction of the price. Simple wrap around connectors that hold well. Lights can be attached vertical or horizontal. USB-C recharge is fast and efficient. Overall it looks streamlined and good on the bike.

battery lasts very long, its held up through rain, and its very bright. love all the settings. super easy to put on which comes in handy when its time to charge. Good that it comes with two, i keep the other one in my bag just in case/ to attach to my backpack so i feel extra safe.

Great that you get two lights in this package including 2 charging cables. Charged up quickly and so far on one charge has lasted more than 4 hours in bright blinking mode. Not sure how long it will last on one charge though. Quality feels decent and not cheap by any means. Charge port has rubber cover. On off switch is rubber button. Mounting strap is a sturdy rubber stretchy wrap which feels very strong. Light is attached to strap with a quick mount clip... easy to take on and off bike. Thumbs up!! Update 8/2025 Still going strong and work great. I accidentally pulled off the rubber cover over the charging port. So be careful when opening charge port cover

I have had the lights about 2 years. They seem bright in the daytime. I ride on a busy street/road with no problems. it holds a charge for quite some time. However, the plastic tab that holds the silicon strap broke. It is now no longer useful. Also, it doesn't fit very well around a skinny bike rack post. I had to jerry rig it to the rack. It fits fine around the seat post, though.

Which kind of early in the testing. It would be better if you were too ask me for reviews in a week or two. But so far, they are working great. One small problem. On a circular tube on a bicycle they sometimes tend to rotate a tad. Still working on that, but I’m sure I’ll figure it out. Very bright and that’s people know where I’m at when I’m on my bike.

I don't ride my bike at night, but I often am still out on my bike at dusk when I'm not easily seen, so I always have safety flashers on my bike. This little Ascher Bike Safety Flasher is the perfect answer. Though the flasher is small that doesn't mean it isn't bright. It is, very, and it's very easily seen even at dusk and in the early evening. The flasher is exceptionally easy to install (a couple of minutes at most) and to operate (one button to turn on or off and to set to flash or to glow continuously). And very important it is USB rechargeable (no batteries, Yahoo!). I love this little safety flasher. Highly recommended.

So far so good. I just did a 2.5 hour bike ride yesterday and this worked the entire time. I have no idea what the battery life is but I rarely bike more then 3 hours, so it is fine for that amount of time. It uses micro USB which is annoying, but this was also cheap.

The Ascher USB Rechargeable LED Bike Tail Light is an excellent addition to my cycling gear! I use one on the back of my helmet and another on the back of my bike, and they make a huge difference in visibility, especially in low-light conditions. The brightness is impressive, and the multiple lighting modes allow me to adjust for different riding situations. The lights are lightweight, easy to mount, and stay securely in place. I also love that they’re rechargeable, so I don’t have to worry about constantly replacing batteries. The battery life is great, and they charge quickly. If you’re looking for a reliable and bright tail light to enhance your safety on the road, I highly recommend the Ascher USB Rechargeable LED Bike Tail Light. They’re a great value and a must-have for any cyclist!

Mine broke after (reasonably for plastic) it smashed against the curb on the bottom of my longboard. That being said I cant help but feel there cant be more that can be done to make sure the 2 pieces of plastics that make the shell stay shut. Great lights just sad I broke one of mine after only under 2 months