Guangxi Qianhang Digital Technology Co., Ltd.

Professional Auto Parts & LED Lighting Manufacturer

How to Replace H7, H1, or H4 LED Bulbs for High‑Beam Headlights – A DIY Guide

Swapping out high‑beam bulbs for LEDs is not difficult – most car owners can handle it themselves if they follow the right steps. Here’s a clear, step‑by‑step walkthrough. Step 1 – Confirm the bulb typeBefore you buy anything, make sure the LED bulb matches your car’s original specification. Common high‑beam sizes include H7, H1, and … Read more

A Practical Guide to Maintaining and Replacing Automotive LED Headlights

As a car ages, its components naturally wear out. The LED headlights – a critical safety feature – are no exception. They need periodic inspection and, when the time comes, replacement. Can you do this job yourself? Absolutely – if you follow the right steps, it’s straightforward. Here’s a detailed walkthrough. Before you start: make … Read more

What’s the Difference in Luminous Efficiency Between LED and Halogen Headlights?

LED and halogen headlights operate on fundamentally different optical principles – and that difference shapes everything from brightness and energy consumption to lifespan and safety. Halogen bulbs rely on a tungsten filament that glows when heated to extreme temperatures – they’re thermal light sources. About 90% of the energy is wasted as heat, with only … Read more

Automotive LED Headlights: A Full Breakdown of Pros, Cons, and Barriers

LED headlights are gradually becoming the new standard in automotive lighting, thanks to their impressive performance. However, they also come with a few notable drawbacks. Here’s a balanced look across three dimensions: advantages, disadvantages, and adoption hurdles. Advantages High energy efficiency – LEDs convert electricity directly into light, with an efficiency of 80–90%. They consume … Read more