LONGLUX UFO LED High Bay Lights 5000K 200W 30000LM AC100-277

The Verdict

If you’re lighting a warehouse, workshop, or garage with 15-foot-plus ceilings, you already know the drill: fluorescent tubes die young, and cheap UFO lights either hum, flicker, or claim 30,000 lumens while delivering half that. The LONGLUX UFO LED High Bay Light at 200W and 5000K is the rare budget fixture that actually delivers on its spec sheet. After digging through 229 ratings (4.6 stars) and cross-referencing independent lumen tests, here’s the real story.

What you actually get

The box contains the 200W UFO fixture itself (roughly 12.5 inches in diameter and 6 inches tall), a separate driver unit, a 3-foot power whip with leads, and three stainless steel mounting hooks. As shown in the product image, the fixture has a clean aluminum heat sink with a polycarbonate lens — no exposed glass to shatter. The driver is remote-mountable, which is smart because it keeps heat away from the electronics and makes ceiling access easier. You also get a 3-year warranty, which is better than most in this price bracket.

Real-world performance

This thing is genuinely bright. At 30,000 lumens and 5000K daylight color, it’s not subtle. One unit mounted at 20 feet will flood roughly a 20x20-foot area with even, shadow-free light — think two-car garage bays or a single workshop station. The 120-degree beam angle is wider than many competitors’ 90-degree lenses, which means you can space fixtures further apart and save money on units.

Build quality is the standout here. The aluminum die-cast housing with IP65 rating means dust and moisture won’t kill it — a common failure point on cheaper UFOs with plastic bodies. I’ve seen buyers in the reviews mention running these in unconditioned pole barns through Michigan winters and Texas summers with zero issues. One reviewer wrote, “Installed 12 of these in our fabrication shop. Six months in, no flicker, no hum, no dead units. Color is clean, not sickly green like some 5000K lights.” Another noted, “The heat sink actually works — the driver stays cool enough to touch after 8 hours.”

Power draw is honest too. At 200W actual consumption, this is roughly 150 lumens per watt — right in line with what you’d expect from quality LEDs. And the AC100-277V input means you can run it on 120V residential or 240V commercial without a transformer.

Where it falls short

No product is perfect, and this one has two real gaps. First, there’s no dimming or motion-sensor option built in. If you need to throttle brightness for nighttime security or reduce energy use during low-traffic hours, you’ll need to buy the separate 0-10V dimming accessory — an extra purchase and an extra wiring step. Second, the included 3-foot power whip is short. If your junction box isn’t within arm’s reach of the mounting point, you’re buying an extension.

Also worth noting: surge protection is minimal. If you’re in a rural area with frequent outages or brownouts, spend $20 on a whole-fixture surge protector. I saw at least two reviews mentioning units dying after lightning storms — that’s not a LONGLUX-specific flaw, but it’s worth knowing before you install 10 of these on a metal roof.

Who should buy this

This is for the shop owner, farm operator, or serious DIYer with high ceilings who wants warehouse-grade lighting without paying $150+ per fixture. It’s also a strong pick for anyone replacing 400W metal halide — you’ll cut energy use roughly in half while getting similar light output. If you need dimming, smart controls, or you’re lighting a space with ceilings under 12 feet, look elsewhere — this will blind you at that height.

FAQs from real shoppers

Q: Can I mount this outdoors? Technically yes due to IP65, but it’s not rated for direct rain exposure. Covered patios, carports, and open-sided barns are fine. Full weather exposure, no.

Q: How many do I need for a 40x60 shop? At 16-20 foot mounting height, plan on 4-6 units depending on how bright you like it. At 12 feet, you can get away with 3-4.

Q: Does the 5000K look harsh in a residential garage? It’s daylight white — crisp and clinical. If you’re used to warm 3000K bulbs, this will feel like a hospital. But for task work, it’s ideal.

The Verdict

Buy it if: You need serious, reliable illumination for high ceilings and want honest specs at a fair price. This is a workhorse fixture that holds up.

Skip it if: You need dimming, you’re lighting a low-ceiling space, or you’re in a lightning-prone area without surge protection.

At 4.6 stars from 229 buyers, this is one of the better-value high bay lights on Amazon right now. It earns the rating honestly.

Rating: 4.6/5

Where to Buy

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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.