RAYO Rear Bicycle Light - Ultra Bright Customizable LED Taillight Bluetooth & Mobile App Compatible Waterproof Gear for Day and Night Safety (Easy-to-Install Strap Accessories Attached)

Best bike light out there!!!

POS - Dont waste your money. I purchased 10 for my riding group since it’s advertised to Sync to other Rayo lights, Brake light, and programmable patterns. I won’t even get into the poorly designed, easily broken, mounting strap that breaks as soon as it gets below 60 degrees outside.Will only sync is each light has been paired to the same device (phone w/Rayo app) but even then looses the sync when they are more than 10 feet apart = failBrake light will only work if the light it mounted on a 90 degree verticals, which means if your seat post has even a sight angle then brake light will not turn on. If you do manage to find a 90 degree option for the light then the brake light will work so long as you are braking HARD, slow braking does nothing = failApp still doesn’t support customer patterns = failI have emailed the manufacturer 7-8 times now and not a single replySave your money, it was a great idea but horrible exicution and even worse customer service.

Bought my first Rayo rear light through Kickstarter for around $50.00 (I think). Used it for a while and it worked great. The light I bought from Kickstarter DID NOT have all of the new features that the light amazon is selling for $70.00. On my 2nd charge , when I removed the charging cable from the light, the inside connection pulled out with the cable. Now I had no way to charge the light. I notified Rayo about my problem and they sent me another light at no charge. Great service! However, on the 1st charge with the new light, when I removed the cable from the light the inside connection AGAIN pulled out. 2 times was enough for me to say "No More". I have since purchased a different rear light that works great for a lot less money. It doesn't have all of the "Bells & Whistles" that the Rayo had but at least I can charge it.

I got my initial Rayo light through kickstarter....now I'm back for another for another bike. It's GREAT. VERY VERY bright---I like to say that I want to look like a Christmas tree on my commute, and this light helps me do it. Fabulous!UPDATE--after 7 months, the charging connection broke--outside of the return/warranty window. I love the light, and now it's charged, but I won't be able to charge it again once this charge is gone.2nd UPDATE..I've updated to 4 stars....CUSTOMER SERVICE WAS FABULOUS. after the above posting, I communicated with customer service, and they replied promptly, telling me that I'd be sent a new model expeditiously, which I was...and it's great.It's really a great light!

I backed this product on Kickstarter and I can’t say enough about how great it is. Safety is my utmost concern when riding. I like to be visible both day and night. Rayo’s brightness and customizable settings ensure that you are seen at any time of the day.Rayo is equipped with a theft alarm that notifies you when your bike moves, as long as you stay within Bluetooth range. I use it in conjunction with a frame mounted audio speaker and it definitely makes a fuss if your bike moves even the slightest amount.I was told by my riding friends that the brake light function is pretty cool too. I have never actually seen it because I’m always the one riding my bike.The Rayo app is easy to navigate, works well, and handles multiple Rayo syncs.It’s pretty pricy for a bike light but it’s the coolest and brightest that I’ve seen.