✔ Smart, Small and Safe
RN 180 TL is a new bike tail light. With a highly transparent lighting strip design, the max output can reach up to 180 lumens. It will protect you day and night.

✔ Sensitive Ambient Light Sensor
Built-in with the latest light and motion sensors, when a rider has engaged in a sudden stop, RN 180 TL can detect and will increase its output to 180 lumens in a frenzy of flashes, warning fellow travelers and motorists. With the same sensors, the tail light enters into a sleep mode to save power after one minute of inaction. Any movement will immediately re-activate the unit.

✔ Multiple Applications
RN 180 TL can be used for road cycling, urban riding and daily commuting and so on.

✔ Easy To Mount
With the versatile mounting strap RUN 180 TL is easy to be mounted under saddles or onto different seat posts.

✔ Smart Battery Indicator
At standby mode, click the power button to activate the battery indicator for 3s.


General Data
Max. Performance (lumens)
180 lumens
Charging Type
Micro-USB Charging
Compatible Batteries
3.7V 800mAh Battery (Built-in)
Light Source
Form/Size Factor
Small Size
Bike Light Series
Unique Characteristics
(Constant Mode); (Flash Mode); (Smart Mode)
Length (mm/ in)
70.0 / 2.76
Technical Characteristics
Waterproof Level
Weight (g / oz)
37.0 / 1.30
Body Diameter (mm / in)
<Width> 25.0 / 0.98; <Height> 25.0 / 0.98
Carton Box
Road Riding, Urban Cycling, Daily Commuting
Package Contents
RN 180 TL x 1  Saddle Mount x 1  Seat Post Mount x 1  Tie Band x 2  Micro USB Cable x 1  User Manual x 1
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Love this tail light! Super bright and responsive to stopping. Also when I crashed and burned, the clip broke, customer care quickly got it sorted with a replacement.


May 22, 2023, 21:42:20

Brightest brake light i've ever seen on a bike. See and be seen, especially when riding on the roads! I'd be surprised if any drivers couldn't see you with this light.


Nov 27, 2022, 21:04:59

Awesome tail light and super bright!


Aug 22, 2022, 14:54:40

Sister loves the light


Aug 08, 2022, 15:32:53

This is a great taillight for my ebike. Super bright for day time visibility. I love the 'breath' mode, safety with a bit of style and stretches the battery life. The easy clip on connection makes attaching and removing a breeze. #RN180


Jul 22, 2022, 23:04:40

WOW! Is this thing bright! Impressive output and features.


Jun 21, 2022, 00:31:59

CS reply:

Thanks for your kind support. We appreciate it very much. Hope you enjoy our light.

Jun 27, 2022, 21:49:07

I just want too say I really like from the Olight RN180TL, I like how it has this very Brite fading in & out blinking ways, it sure works well the purposes for to be seen that's for sure! The only 2 lights I need on my bike! RN 3500, & RN180TL Thanks Too Olight...


Nov 26, 2021, 10:21:06

Favorable Comments


Nov 26, 2021, 09:15:57

Very bright and intelligent light that react to Movement and Lighting condition adequately excep it's Motion Sensor is too sensitive and detect false Braking what drain the battery since it emmit a very bright light for a few seconds every times. The solution comes while I looked at the asymetric LED pattern on the Description TAB of this WEB page that show reversed pattern compared my own RN180. So I try to mount it Up Side Down, that is, power button facing down, this way the Brake detection becomes less sensitive, reacting only to hard braking, saving precious battery and restoring runtimes as specified. All this is easy to test by hands: just grab your RN180 vertically and move it horizontally to simulates a brake trying both orientation, the brake sensitivity difference is obvious. Hope this trick can help to appreciate this genious Bike Tail Light at it's best!


Oct 14, 2021, 17:30:10

CS reply:

Thanks for your kind review. We highly appreciate your professional feedback and hope that you could focus on Olight. We will try our best to update our science and technology better.

Oct 14, 2021, 21:11:57

Petite lumière rouge très brillante. Mode Smart économisant la batterie le jour. S'éteint lorsque immobile 5min. et repart au moindre mouvement. Détecte le freinage emettant une lumière intense.


Sep 09, 2021, 14:01:54

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File Name Size Link
Manual_RN 180 TL.pdf 550KB