---
product_id: 29259633
title: "Exposure Sirius Mk4 USB Rechargeable Front Light Black, One Size"
brand: "exposure lights"
price: "₩115952"
currency: KRW
in_stock: false
url: https://www.desertcart.kr/products/29259633-exposure-sirius-mk4-usb-rechargeable-front-light-black-one-size
store_origin: KR
region: South Korea
---

# 500 Lumens Brightness 2-36 Hours Runtime USB Rechargeable Exposure Sirius Mk4 USB Rechargeable Front Light Black, One Size

**Brand:** exposure lights
**Price:** ₩115952
**Availability:** ❌ Out of Stock

## Summary

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

## Quick Answers

- **What is this?** Exposure Sirius Mk4 USB Rechargeable Front Light Black, One Size by exposure lights
- **How much does it cost?** ₩115952 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/29259633-exposure-sirius-mk4-usb-rechargeable-front-light-black-one-size)

## Best For

- exposure lights enthusiasts

## Why This Product

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

## Key Features

- • **Cable-Free Convenience:** USB rechargeable design means no more fumbling with batteries—charge anywhere, anytime.
- • **Smart Tech Integration:** Stay informed with Smart Port Technology and a fuel gauge that keeps you ahead of the charge game.
- • **Urban Brightness Mastery:** Illuminate your path with a powerful 500 lumen output, perfect for city streets and off-road adventures.
- • **Endurance Mode Flexibility:** Choose from 2 to 36 hours of runtime with the intelligent Optimum Mode Selector to match your ride.
- • **Precision Handcrafted Quality:** Each Sirius Mk4 is meticulously handmade and tested in the UK, ensuring unmatched reliability.

## Overview

The Exposure Sirius Mk4 is a premium USB rechargeable front bike light delivering 500 lumens of bright, adaptable illumination. Designed for urban and off-road use, it offers an impressive 2 to 36-hour runtime with intelligent mode selection and thermal management. Handmade in the UK, it combines cutting-edge smart technology with durable craftsmanship to keep you visible and safe on every ride.

## Description

The Sirius is built to excel in urban environments. With a 500 lumen output, suitable for off-road riding and side illumination it rules the road. The Sirius will keep you safe and seen for miles with; constant and pulsing modes, long battery life, USB charging and OMS for adapting burntimes. Every Sirius is hand built and individually tested in the UK.

## Features

- 500 Lumens / 2-36Hrs Run Time
- Cable Free Design
- Intelligent Thermal Management
- Optimum Mode Selector
- Hand made in the UK
- Smart Port Technology +
- Fuel Gauge
- In the box: Sirius MK4
- QR handlbar bracket
- USB charge cable
- Quick start guide

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B013BX8JC8 |
| Auto Part Position | Front |
| Brand | Exposure Lights |
| Brand Name | Exposure Lights |
| Brightness | 500 Lumen |
| Color | Black |
| Date First Available | August 16, 2015 |
| Item Dimensions LxWxH | 7.48 x 5.91 x 1.97 inches |
| Item Package Dimensions L x W x H | 7.3 x 5.8 x 2.1 inches |
| Item Weight | 7.04 ounces |
| Light Output Maximum | 500 Lumens |
| Manufacturer | Exposure Lights |
| Model Name | FBA_EXPSIRIUS4 |
| Package Weight | 0.18 Kilograms |
| Part Number | FBA_EXPSIRIUS4 |
| Power Source | Battery Powered |

## Product Details

- **Auto Part Position:** Front
- **Brand:** Exposure Lights
- **Brightness:** 500 Lumen
- **Color:** Black
- **Item Weight:** 7.04 ounces
- **Light Output Maximum:** 500 Lumens
- **Manufacturer:** Exposure Lights
- **Power Source:** Battery Powered

## Images

![Exposure Sirius Mk4 USB Rechargeable Front Light Black, One Size - Image 1](https://m.media-amazon.com/images/I/51QfWAXt0HL.jpg)
![Exposure Sirius Mk4 USB Rechargeable Front Light Black, One Size - Image 2](https://m.media-amazon.com/images/I/51X1xERQcML.jpg)
![Exposure Sirius Mk4 USB Rechargeable Front Light Black, One Size - Image 3](https://m.media-amazon.com/images/I/51u1plTdT2L.jpg)

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**Shop now:** [https://www.desertcart.kr/products/29259633-exposure-sirius-mk4-usb-rechargeable-front-light-black-one-size](https://www.desertcart.kr/products/29259633-exposure-sirius-mk4-usb-rechargeable-front-light-black-one-size)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-24*