Is there a usb c version?

No, only the micro-use version. Thank you.

I wanted to love this light given the minimalist mount to seat rails, bright, however, even w/full charge the light lasts only about 30 min. why?

Mine is a year old. I get about an hour run time. I use it daily and charge it every other day.

For daylight riding, can it be set for flashing and still have the smart motion sensor feature?

Yes. All modes use the motion sensor auto-brake light feature. The auto-brake can be turned on and off globally for all modes: while the light is off, hold the button for five seconds (the light turns on after two seconds, but keep holding for five seconds). After five seconds, the light will either be steady on (auto brake feature is now on) or flashing (auto brake feature is now off). Release the button and the setting is now saved. Repeat the process to toggle the setting again.

What other mounts is this compatible with?

Sorry, it only has the mounting strap and it do not need to use the mounts. Thank you!

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OLIGHT RN 120 C Bike Lights, 120 Lumens Tail Light 260 Degree Visibility, 1500m Viewable Range, USB Rechargeable Bike Break Light, IPX6 Waterproof, Road and Urban Cyclists

OLIGHT RN 120 C Bike Lights, 120 Lumens Tail Light 260 Degree Visibility, 1500m Viewable Range, USB Rechargeable Bike Break Light, IPX6 Waterproof, Road and Urban Cyclists

Product ID: 542683396

Details

Auto Part Position
Rear
Brand
OLIGHT
Color
Blcak
International Protection Rating
IPX6
Item Weight
0.08 Kilograms
Material
Plastic

💡120 lumens max brightness

🔋USB-C fast recharge in 1 hour

🌧️IPX6 waterproof rating

Description

🚴‍♂️ Light up your ride, own the road—visibility that commands respect!

EFFORTLESS POWER UP - USB-C quick charge fully powers your light in just 1 hour, keeping you ride-ready without downtime.
UNMATCHED VISIBILITY - 120 lumens with 260° wide-angle beam ensures you're seen from 1500m away—day or night.
WEATHERPROOF WARRIOR - IPX6 waterproof design means rain or shine, your safety light never quits.
BRAKE ACTIVATED ALERT - Motion sensor triggers max brightness for 3 seconds when braking—instant attention grabber.
SMART BRIGHTNESS CONTROL - Built-in ambient light sensor auto-adjusts brightness for optimal warning power anytime.

The OLIGHT RN 120 C is a compact, ultra-bright rear bike light delivering 120 lumens with 260° visibility and a 1500m view range. Engineered for urban and road cyclists, it features IPX6 waterproofing, smart ambient light and motion sensors for adaptive brightness and brake alerts, plus fast USB-C charging. Lightweight and durable, it’s designed to keep you safe and seen in all conditions.

Specifications

ASIN	B0C4GGRPX4
Auto Part Position	Rear
Best Sellers Rank	#97,294 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #126 in Bike Taillights
Brand Name	OLIGHT
Color	Blcak
Customer Reviews	4.6 4.6 out of 5 stars (268)
Included Components	Batteries included
International Protection Rating	IPX6
Item Weight	0.08 Kilograms
Manufacturer	OLIGHT
Manufacturer Part Number	300000-RN120-BK
Material Type	Plastic
Model Number	300000-RN120-BK
Mounting Type	Seat Mount
Number of settings	3
Power Source	Battery Powered
Unit Count	1.0 Count
Warranty Description	Lifetime Warranty (product purchased after January 1st, 2023)
Water Resistance Level	Waterproof

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