---
product_id: 337917837
title: "OLIGHT RN 400 LED Bike Lights, 400 Lumens USB Type-C Rechargeable Front Light, IPX7 Waterproof Bicycle Headlight for Road Urban Cyclists Black"
brand: "olight"
price: "₩2743"
currency: KRW
in_stock: false
url: https://www.desertcart.kr/products/337917837-olight-rn-400-led-bike-lights-400-lumens-usb-type
store_origin: KR
region: South Korea
---

# 400 lumens max brightness IPX7 waterproof rating USB-C fast rechargeable OLIGHT RN 400 LED Bike Lights, 400 Lumens USB Type-C Rechargeable Front Light, IPX7 Waterproof Bicycle Headlight for Road Urban Cyclists Black

**Brand:** olight
**Price:** ₩2743
**Availability:** ❌ Out of Stock

## Summary

> 🚴‍♂️ Light up your ride, own the night!

## Quick Answers

- **What is this?** OLIGHT RN 400 LED Bike Lights, 400 Lumens USB Type-C Rechargeable Front Light, IPX7 Waterproof Bicycle Headlight for Road Urban Cyclists Black by olight
- **How much does it cost?** ₩2743 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/337917837-olight-rn-400-led-bike-lights-400-lumens-usb-type)

## Best For

- olight enthusiasts

## Why This Product

- Trusted olight brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid USB-C Recharge:** Cut downtime with fast charging that gets you back on the road quicker.
- • **All-Weather Ready IPX7:** Ride fearless rain or shine—water immersion proof up to 1 meter.
- • **Anti-Glare Safety Lens:** Protect others and ride confidently with downward-focused beam design.
- • **Versatile Mounting Options:** Easily attach to helmet, handlebar, or camera for ultimate convenience.
- • **Brilliant 400 Lumens Output:** Illuminate your path with powerful clarity for safer night rides.

## Overview

The OLIGHTRN 400 is a compact, 400-lumen rechargeable bike headlight featuring a fast USB-C charging port, IPX7 waterproof rating for all-weather durability, and an anti-glare lens to enhance safety by directing light downward. Designed for urban cyclists, it offers versatile mounting options and a clear battery indicator, making it an essential, reliable companion for night and daily commuting rides.

## Description

RN 400 adopts high efficiency optical lens with a maximum output of 400 lumens. All in one design bike headlight is suitable for urban riding and daily commuting. The anti-glare light distribution with safe cut-off line is to reduce visual distractions for motorists, cyclists or pedestrians. Equipped with fast charging USB-C port, RN 400 supports large charging current, effectively reducing charging time. Designed with a Garmin mount, RN 400 can be tightly installed on helmet, handlebar, or under G-PRO camera. With IPX7 waterproof rating, it's a reliable companion for your daily riding. Brightness: 400lm Charging Port: Type-C Runtime: 7h DIMENSIONS: Length: 2.83in/72m Width: 1.22in/31mm Height: 1.22in/31mm Weight: 3oz/85g BODY MATERIAL: Aluminum AlloyPackage Included:  RN 400 x 1 Handlebar mount x 1 Silicon strap x 4 USB-C cable x 1 3mm hex x 1 User manual x 1 G-PRO mount

## Features

- 💡【Attention】Before use, please hold the button for 5 Seconds to unlock the bike light. Otherwise the button will flash red and the light will not turn on due to the built-in locking function.
- ✅【Rechargeable Bikelight】Olight RN 400 is a bike headlight with a max output of 400 lumens and equipped with a fast-charging USB-C port, supports large current charging, effectively reduced charging time
- ✅【Secure Anti-glare Lens】The “anti-glare” design of RN 400 moves the light beam downward, to avoid blinding the oncoming motorists or pedestrians, increasing night riding safety on road
- ✅【IPX7 Waterproof】IPX7 waterproof rate makes the bike light capable to withstand water immersion up to 1m depth, which renders the riding safer even if it rains and reduces the interference of rainy days on cycling to a large extent
- ✅【Easy to Read Battery Indicator】At standby mode, short press the power button will automatically display the power status of the RN 400 for three seconds. Green: 21%-100%; Red: 11%-20%; Red in Flash: 1%-10%
- ✅【Multi-functional Headlight】Designed with a mount, RN 400 can be tightly installed on the helmet, handlebar, or under the camera. All in one design bike headlight is suitable for urban riding and daily commuting

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Black |
| Height | 1.22 inches |
| Length | 2.83 inches |
| Width | 1.22 inches |
| Material Type | Aluminum |
| Power Source | Battery Powered |
| Included Components | 3mm hex x 1, Handlebar mount x 1, RN 400 x 1, Silicon strap x 4, USB-C cable x 1 |
| Batteries Included? | Yes |
| Brand | OLIGHT |
| Manufacturer | OLIGHT |
| Manufacturer reference | Olight-RN400 |
| Product Dimensions | 7.19 x 3.1 x 3.1 cm; 85 g |
| ASIN | B08MTWKV4G |

## Product Details

- **Colour:** Black
- **Brand:** OLIGHT
- **Material:** Aluminum
- **Power source:** Battery Powered
- **Water resistance level:** Waterproof

## Images

![OLIGHT RN 400 LED Bike Lights, 400 Lumens USB Type-C Rechargeable Front Light, IPX7 Waterproof Bicycle Headlight for Road Urban Cyclists Black - Image 1](https://m.media-amazon.com/images/I/61TwNTS8ACL.jpg)
![OLIGHT RN 400 LED Bike Lights, 400 Lumens USB Type-C Rechargeable Front Light, IPX7 Waterproof Bicycle Headlight for Road Urban Cyclists Black - Image 2](https://m.media-amazon.com/images/I/61QqScHuT9L.jpg)
![OLIGHT RN 400 LED Bike Lights, 400 Lumens USB Type-C Rechargeable Front Light, IPX7 Waterproof Bicycle Headlight for Road Urban Cyclists Black - Image 3](https://m.media-amazon.com/images/I/61zQ5Cm2wjL.jpg)
![OLIGHT RN 400 LED Bike Lights, 400 Lumens USB Type-C Rechargeable Front Light, IPX7 Waterproof Bicycle Headlight for Road Urban Cyclists Black - Image 4](https://m.media-amazon.com/images/I/71nsNJUxpXL.jpg)
![OLIGHT RN 400 LED Bike Lights, 400 Lumens USB Type-C Rechargeable Front Light, IPX7 Waterproof Bicycle Headlight for Road Urban Cyclists Black - Image 5](https://m.media-amazon.com/images/I/71VoR10JRoL.jpg)

## Questions & Answers

**Q: Why can I not use RN 400 after receiving it?**
A: Before first use, please hold the power button about 3 seconds to unlock the bike light. Otherwise the button will flash red and the light will not turn on.

**Q: What is the diameter of the handlebar that RN 400 is suitable for installation on?**
A: RN 400 fits 28.6-35.0 mm (3 sizes of straps offered)handlebar diameter, including aero options.

## Frequently Bought Together

- OLIGHT RN 400 LED Bike Lights, 400 Lumens USB Type-C Rechargeable Front Light, IPX7 Waterproof Bicycle Headlight for Road Urban Cyclists Black
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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-23*