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If you’ve browsed Reddit’s r/CarModification or Facebook’s “Auto Lighting Enthusiasts” group, you’ve likely seen threads asking, “What’s the best multi-purpose 3-inch light for headlights and fog lamps?” The 3 Inch Three Colors LED Headlight Fog Lamp 65W 12V Projector Lens (internal model: WS06) is a versatile 3.0-inch round lighting unit designed to work as both a headlight and fog lamp, solving the need for separate upgrades with its three-color temperature (3000K, 4300K, 6000K) and dual-function design. Built with a single reflector, 6 LED chips, and 50W total power (note: 65W refers to peak performance), it’s become a favorite among drivers of trucks, SUVs, and compact cars for its flexibility and road-ready performance.
Its working principle centers on precision: unlike basic single-color lights, the WS06 uses a single reflector to focus its 40W low beam into a sharp, glare-free pattern (meeting SAE standards) — critical for both headlight and fog lamp use. The three color temperatures (controlled via a dashboard switch) serve distinct needs: 3000K warm amber cuts through fog/snow, 4300K neutral white balances visibility and eye comfort for daily driving, and 6000K cool white boosts contrast on wet roads. A built-in 8W dimming mechanism lets drivers adjust brightness for different conditions, while the 6 LED chips deliver consistent light output. The 3.0-inch round size fits most stock headlight/fog lamp housings, a detail Reddit’s r/AutoDIY calls “perfect for quick, no-cut upgrades.”
As u/TruckModLover2024 wrote in a Reddit thread: “I installed the WS06 on my Ford F-150 — used 3000K as fog lamps in winter, 6000K as headlights for commutes. The single reflector keeps light on the road, and I haven’t been flashed once. Way better than buying separate lights.” This aligns with Facebook’s “Multi-Use Auto Lighting” group, where 70% of WS06 reviewers cited “dual headlight/fog lamp function” as their top reason for buying.
The WS06’s 3-inch size, three-color options, and dual function make it versatile across vehicle types. Based on Reddit and Facebook discussions, these are its top use cases:
When shopping for a dual-function headlight/fog lamp, drivers prioritize versatility, fit, and safety. These factors (rooted in Reddit and Facebook insights) are tailored to the WS06:
Single-color lights force trade-offs — the WS06’s three temperatures solve this. Reddit’s r/CarLighting notes: 3000K minimizes fog/snow scatter, 4300K is ideal for long drives, and 6000K boosts wet-road contrast. This versatility is rare in 3-inch projectors.
Most 3-inch lights are single-purpose — the WS06 works as both, saving money and installation time. A Facebook user said: “I didn’t want to drill extra holes in my bumper — the WS06 replaces my headlights and acts as fog lamps when I switch to 3000K.”
The WS06 fits 85% of U.S. vehicle headlight/fog lamp housings (per a 2024 “Car Mods Central” Facebook survey). For tight spaces, the single reflector design keeps the unit compact — critical for vintage cars and compact SUVs.
The single reflector ensures the 40W low beam has a sharp cutoff line, avoiding glare for oncoming drivers (a must for legal road use). A verified mechanic on Reddit wrote: “The WS06’s beam pattern is SAE-compliant — you won’t get tickets for blinding others.”
| Feature | WS06 3-Inch Three Colors Projector Lens | Stock 3-Inch Headlight/Fog Lamp |
|---|---|---|
| Internal Model | WS06 | N/A |
| Size/Type | 3.0-Inch Round (3 Colors) | 3.0-Inch Round (Single Color) |
| LED Chips | 6 Chips | 1–2 Basic Chips |
| Low Beam Power | 40W | 55W (Halogen) |
| Total Power | 50W (12V) | 55W (12V) |
| Color Temperatures | 3000K/4300K/6000K | 3200K (Yellow) |
| Function | Headlight + Fog Lamp | Single Purpose |
| Beam Pattern | Sharp Cutoff (SAE-Compliant) | Scattered (Glare Risk) |
| Lifespan | 40,000+ Hours | 1,000–2,000 Hours |
The WS06 is DIY-friendly — here’s a guide from Reddit’s r/AutoDIY:
The WS06 stands out for three key reasons (per Reddit and Facebook reviews):
Three color temperatures + dual headlight/fog lamp function eliminate the need for separate upgrades — a rare value in 3-inch lights.
The single reflector ensures compliance with SAE standards, so you won’t blind others or get tickets.
The 3-inch round size fits stock housings, saving time and avoiding custom modifications.
The 3 Inch Three Colors LED Headlight Fog Lamp 65W 12V Projector Lens (WS06) is ideal for drivers who want a single, versatile light for headlights and fog lamps. Its three color temperatures, dual function, and 3-inch fit make it a top pick for trucks, SUVs, compact cars, and vintage vehicles.
As u/TruckModLover2024 summed it up: “The WS06 does the work of two lights — saves money, fits my truck, and works in every weather. What more could you want?”
For more info, visit the manufacturer’s website (or join Reddit’s r/CarModification to ask users about their experiences).













