Video Chat with a Lighting Expert - Live

Olight RN 400 Rechargeable LED Bike Light

BH #OLRN400 • MFR #RN400
Print
Olight RN 400 Rechargeable LED Bike Light
Key Features
  • 100/200/400 Lumen Outputs
  • Luminus SST-20 LED Emitter
  • Two Selectable Flashing Modes
  • Total Internal Reflection (TIR) Lens
With a bright 400-lumen beam and a wide throw, the Olight RN 400 Rechargeable LED Bike Light will make your after-dark ride safer. Choose from three brightness levels plus two flash modes, and the multi-functional mount allows you to securely install the light on a helmet, handlebar, or under a GoPro camera.
More Details
In Stock
No Store Display
$29.95
Protect Your Gear
Add a protection plan from $8.99
Ask an Expert
800-606-6969

Olight RN 400 Overview

With a bright 400-lumen beam and a wide throw, the Olight RN 400 Rechargeable LED Bike Light will make your after-dark ride safer. Choose from three brightness levels plus two flash modes, and the multi-functional mount allows you to securely install the light on a helmet, handlebar, or under a GoPro camera.

Performance
  • Three output brightness levels from 100 lumens to 400 lumens
  • Single white Luminus SST-20 LED emitter
  • Pre-focused Total Internal Reflection (TIR) lens produces tight beam with bright center and dimmer periphery ring
  • Anti-glare design directs the light beam downward to avoid blinding the oncoming motorists or pedestrians, increasing your safety on the road at night
Switching
  • Simple and intuitive push button switch controls all brightness levels and modes
  • Long press turns the light on/off and double press to switch different modes
  • A short tap switches the brightness settings and flash modes
  • Last mode memory returns light to last, previous output setting when it is turned on
Construction
  • 6061-T6 aluminum alloy chassis is lightweight with heat-dissipating properties keeps the light cool
  • Scratch-resistant anodized finish
  • IPX7 rating makes the light waterproof and submersible to over 3-feet for up to 30-minutes
  • Impact-resistant to a height of 3.3-feet
  • Multi-functional mount design can be securely installed on a helmet, handlebar, or under a GoPro camera
  • Compact design measures less than 4" long
  • Light 3-ounce weight
Electronics
  • Built-in 3.7V 900mAh lithium-ion battery
  • Integrated Type-C USB port charges the battery inside the light
  • Easy-to-read battery level indicator

Olight RN 400 Specs

Illumination Source
Luminus SST-20 LED
Output
Low: 100 Lumen
Medium: 200 Lumen
High: 400 Lumen
Flash: 200 Lumen
Runtime
Low: 6.5 h
Medium: 3.2 h
High: 1.7 h
Strobe: 7 h
SOS: 5.5 h
Impact Resistance
3.3' / 1.0 m
Waterproofing
IPX7, Water Proof
Dimensions
2.8 x 1.2 x 1.2" / 7.2 x 3.1 x 3.1 cm
Weight
3.0 oz / 85 g
Packaging Info
Package Weight
0.585 lb
Box Dimensions (LxWxH)
6.1 x 2.8 x 2.3"

Olight RN 400 Reviews

Love it!

By pinchus
Rated 5 out of 5
Date: 2025-10-03

Nice color of light, size, light weight

See any errors on this page?
Whatever You Need, We've Got It