Guangxi Qianhang Digital Technology Co., Ltd.

Professional Auto Parts & LED Lighting Manufacturer

How Do LED Headlights Switch Between High and Low Beams?

LED headlights do not simply become brighter when switching from low beam to high beam. The process involves controlling the light source, beam shape, and projection angle to create different lighting patterns. Depending on the design, modern LED headlight systems usually use one of three main technologies. Many modern bi-LED projector headlights use an internal … Read more

How to Install and Adjust LED Headlights: Complete Step-by-Step Guide

Upgrading to LED headlights is one of the most effective ways to improve nighttime visibility and driving safety. However, simply installing a brighter bulb is not enough. Proper installation and beam adjustment are critical. Incorrectly installed LED headlights can create poor beam patterns, reduce road visibility, or produce excessive glare that affects other drivers. This … Read more

What to Do If Your LED Headlights Scatter Light Instead of Focusing? – Causes, Solutions, and Prevention

Scattered, unfocused LED headlights not only reduce your own night‑time visibility but also cause glare for oncoming traffic – a safety hazard and often a legal violation. The following covers the core causes, step‑by‑step solutions, and long‑term prevention. 1. Three Main Causes of Light Scatter 1. Incorrect bulb installation position (most common)The LED’s light‑emitting point … Read more

How to Properly Install and Use Automotive LED Headlights – A Step‑by‑Step Guide from Removal to Aiming

Proper installation not only unlocks the full performance of LED headlights but also prevents common issues like beam scatter and glare. This guide covers the complete process – from removing the old bulb to installing the new one, testing, and aiming the beam. Open the bonnet and locate the dust cover at the rear of … Read more

How to Measure the Brightness of LED Car Headlights

The brightness of LED car headlights is mainly measured in lumens, which indicates luminous flux. A higher lumen value means stronger light output. Nevertheless, lumen alone cannot tell the whole story. Light pattern, color temperature, power, heat dissipation and original‑vehicle lamp structure should all be taken into account. Blind pursuit of excessive brightness may cause … Read more

How to Choose Car Headlights? Key Points for Selection

Among numerous auto parts, headlights play a vital role. They are not only critical for night‑driving safety, but also affect vehicle appearance and overall performance. What factors should you take into account when selecting car headlights? 1. Choose the right headlight source The mainstream headlight sources on the market are halogen, HID xenon and LED … Read more

What Is the Price Range for Entry‑to‑Mid‑Range Car LED Headlights

Entry‑to‑mid‑range car LED headlights cover a wide price spectrum from several hundred to several thousand yuan. The final cost depends heavily on upgrade solutions, product specifications, brand selection and installation labor fees.Simple LED bulb replacement (direct swap for original halogen bulbs)Budget no‑name LED bulbs: 100‑300 yuan per pair.Mid‑range domestic brand bulbs: 300‑600 yuan per pair.Entry‑level … Read more

Halogen vs LED Headlights for Family Cars

There is a clear difference in energy consumption between halogen and LED headlights for family cars. Halogen headlights consume relatively more power, while LED headlights feature lower energy consumption.Halogen headlights work by heating a tungsten filament to produce light. Electric energy is converted into both heat and light, and most energy is lost in the … Read more