---
product_id: 25957490
title: "Pack of 2 - Rolay® LED Headlight Bulbs All-in-one Conversion Kit- H4 High and Low Beam in One - 40W 4000LM 6000K Per Bulb - Super Bright Cool White Light"
brand: "rolay"
price: "$112.49"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/25957490-pack-of-2-rolay-led-headlight-bulbs-all-in-one
store_origin: US
region: United States of America
---

# Pack of 2 - Rolay® LED Headlight Bulbs All-in-one Conversion Kit- H4 High and Low Beam in One - 40W 4000LM 6000K Per Bulb - Super Bright Cool White Light

**Brand:** rolay
**Price:** $112.49
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Pack of 2 - Rolay® LED Headlight Bulbs All-in-one Conversion Kit- H4 High and Low Beam in One - 40W 4000LM 6000K Per Bulb - Super Bright Cool White Light by rolay
- **How much does it cost?** $112.49 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/25957490-pack-of-2-rolay-led-headlight-bulbs-all-in-one)

## Best For

- rolay enthusiasts

## Why This Product

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

## Description

Specifications: 1. Voltage: 9V-36V 2. Watts: 80W (40W*2) 3. Lumens: 8000lm (4000lm*2) 4. Beam angle:360° 5. Color temperature: 6000K 6. Lifespan: Over 30,000 Hours 7. Available Socket: H4 8. High Beam: 40W 4000LM 9. Low Beam: 20W 2000LM 
  Package includs:  2* H4 40W 4000LM 6000KLED Headlight

## Features

- Super bright cool white light with 40W 4000LM 6000K Per Bulb. New diamond 4 surface light design, 360 ° beam lighting.
- IP68 waterproof grade guarantees a safe driving in raiy/snowy/foggy days.
- Quick heat radiation and heavy duty design promise long LED working life, Modular Heat Protection (MHP) technology to ensure over 30,000 hr life.
- Replacement of Xenon/halogen head lights, brighter and more energy efficient. No needed to worry about the flicker and warning problem caused by incompatible.
- 9-36V stable drive is highly compatible for most cars and different road condition. All-in-one design for easy installation!

## Images

![Pack of 2 - Rolay® LED Headlight Bulbs All-in-one Conversion Kit- H4 High and Low Beam in One - 40W 4000LM 6000K Per Bulb - Super Bright Cool White Light - Image 1](http://ecx.images-amazon.com/images/I/41Us4%2B0RvTL.jpg)
![Pack of 2 - Rolay® LED Headlight Bulbs All-in-one Conversion Kit- H4 High and Low Beam in One - 40W 4000LM 6000K Per Bulb - Super Bright Cool White Light - Image 2](http://ecx.images-amazon.com/images/I/416yxdVL2IL.jpg)
![Pack of 2 - Rolay® LED Headlight Bulbs All-in-one Conversion Kit- H4 High and Low Beam in One - 40W 4000LM 6000K Per Bulb - Super Bright Cool White Light - Image 3](http://ecx.images-amazon.com/images/I/41ikuXs87uL.jpg)
![Pack of 2 - Rolay® LED Headlight Bulbs All-in-one Conversion Kit- H4 High and Low Beam in One - 40W 4000LM 6000K Per Bulb - Super Bright Cool White Light - Image 4](http://ecx.images-amazon.com/images/I/513LQmIeflL.jpg)
![Pack of 2 - Rolay® LED Headlight Bulbs All-in-one Conversion Kit- H4 High and Low Beam in One - 40W 4000LM 6000K Per Bulb - Super Bright Cool White Light - Image 5](http://ecx.images-amazon.com/images/I/515WSYYtY1L.jpg)

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---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-18*