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 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 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

LED vs. Traditional Headlights (Halogen & Xenon) – A Complete Comparison

LED, halogen, and xenon (HID) headlights differ significantly in operating principles, illumination performance, energy consumption, and lifespan. There is no absolute “better” – the right choice depends on your driving environment and needs. This article compares the three across technical characteristics, performance, and use‑case suitability – helping owners make informed decisions. 1. LED vs. Halogen … Read more

HID Xenon Lights vs LED Lights: Which Is Better for Headlight Retrofit?

Choosing between HID xenon and LED headlights for modification depends entirely on your personal demands. LED lighting features high energy efficiency, remarkable brightness improvement, instant illumination and long service life, with sturdy shock-resistant construction. However, LEDs generate considerable heat, so owners of older vehicles need to confirm sufficient heat dissipation space before upgrading. HID xenon … Read more

Brightness Differences Between HID Xenon Lights and LED Headlights

The brightness gap between HID xenon lamps and LED headlights cannot be simply defined as “one is brighter than the other”. Their lighting performance varies greatly depending on driving scenarios and technical features. Under clear weather conditions, HID xenon lights deliver 3200–3600 lumens of high light output. Their white light helps drivers clearly identify road … Read more

Car LED Lights Not Working? Save Money with These Repair Tips

LED headlight failure is a common issue that affects night‑driving safety and can cause inspection failures. This article provides a systematic troubleshooting and repair guide – helping owners restore lighting quickly and cost‑effectively. From power connections to chip testing, from driver replacement to circuit repair – we cover each step in detail. 1. Understanding Key … Read more