I Let a $199 Lamp Judge My Workspace: BenQ ScreenBar Halo 2 Review

Rating: ⭐⭐⭐⭐⭐ (5/5)

Price: ~$199.00 USD (stupid tariffs)

Most desk lamps are bullies. They glare at you, reflect off your screen, and take up valuable desk real estate.

The BenQ ScreenBar Halo 2 is different. It’s an optical ninja that sits on top of your monitor, casting light strictly on your desk while leaving your screen in a perfect, glare-free void.

Released globally in mid-2025, this isn’t just a lamp; it’s a “psychophysical ergonomic instrument” (BenQ’s words, probably). I spent a month with this expensive stick of aluminum to see if it’s worth the hype or if I’m just paying for fancy adjectives.

Here is my honest, glare-free review.

Test 1: The “Invisible” Light (Asymmetrical Optics)

The Claim: ASYM-Light™ technology creates an 18° cut-off angle to prevent screen glare.

The Reality: It feels like magic.

This is the main selling point. Traditional lamps bounce light off your screen and into your eyes (specular reflection).

• The Optics: The Halo 2 uses a complex array of 12 lenses to direct light only downwards. I sat in a dark room with a glossy OLED monitor. The desk was bright enough to perform surgery on a watch, but the screen remained pitch black. Zero glare.
• The Result: It eliminates “veiling glare,” which washes out your monitor’s contrast. My black levels stayed inky black, which is critical for photo editing.

Test 2: The “Halo” Effect (Backlighting)

The Claim: Tri-zone backlight reduces eye strain.

The Reality: My headaches actually stopped.

Looking at a bright screen in a dark room creates “tunnel vision” strain because your pupils are confused.

• The Solution: The rear light (the “Halo”) blasts the wall behind your monitor with soft light. This balances the contrast ratio between the screen and the room.
• The Coverage: The new Tri-Zone design covers over 400% more area than the old model. It turns my boring beige wall into a cozy ambient backdrop.

Test 3: The Wireless Puck (Control Center)

The Claim: Rechargeable Wireless Controller with Industrial Precision.

The Reality: Slick, but needs a wake-up call.

The controller looks like a thermostat from a spaceship. It’s a weighted, angled dial with a touchscreen surface.

• The Feel: Rotating the bezel to adjust brightness is incredibly satisfying. It’s stepless and smooth.
• The Battery: It’s finally rechargeable via USB-C! No more hunting for AAA batteries. A charge lasts about 3 months.
• The Quirk: It goes to sleep to save power. You have to tap it once to wake it up, then adjust. It’s a tiny friction point, but noticeable if you’re impatient.

Test 4: Automation & Sensors (The Robot Butler)

The Claim: Ultrasonic Presence Detection & Auto-Dimming.

The Reality: It knows when I leave for coffee.

• Ultrasonic Sensor: Unlike old infrared sensors, this uses sound waves. It turns on when I sit down and turns off 5 minutes after I leave. It makes me feel like Iron Man entering his workshop.
• Auto-Dimming: It has a light sensor that keeps the desk at a constant 500 lux (the office standard). It works well, though it tends to prefer a cooler (bluer) color temperature than I like in the evening.

Test 5: The Mounting System (Curved Monitor Friendly)

The Claim: Patented Zinc-Alloy Clamp fits everything.

The Reality: Even my weirdly shaped monitor was no match.

Mounting things on monitors is scary. You don’t want to crack a $1,000 panel.

• The Mechanism: It uses a gravity-based counterweight, not a spring clamp. It gently rests on the monitor.
• Curved Screens: It comes with a built-in adjustment for curved monitors (1000R-1800R). It sat perfectly on my curved ultrawide without wobbling.
• Webcam: It even includes a little magnetic shelf so your webcam can sit on top of the light bar. Genius.

Comparison: Is It Worth The Premium?

Vs. Xiaomi: The Xiaomi is great value, but the BenQ is twice as bright and covers a much wider desk area. If you do paper work (drawing, reading), you need the BenQ.

Vs. Razer: Razer has RGB gamer lights. BenQ has high-CRI (Ra >95) color-accurate light. If you are a creator, get the BenQ.

The Verdict: The Ultimate Desk Upgrade

The BenQ ScreenBar Halo 2 is expensive. You could buy a cheap lamp and a nice dinner for the same price.

But if you spend 8+ hours a day at a computer, this is an investment in your eyes. The zero-glare optics, high-CRI light, and backlight bias lighting create a workspace that feels professional and comfortable.

Pros:

• Zero Screen Glare: The optical engineering is flawless.
• Eye Comfort: The backlight significantly reduces strain.
• Build Quality: Aluminum and zinc alloy feel premium.
• Webcam Compatible: Thoughtful accessory inclusion.

Cons:

• Price: It’s a steep entry fee.
• Controller Wake-Up: The “tap to wake” lag can be annoying.
• Power: Requires a dedicated power brick (included) or high-wattage USB port.

Disclaimer: I set the light to “warm candle” mode and almost fell asleep at my desk. It’s that cozy.

https://www.benq.com/en-us/lighting/monitor-light/screenbar-halo-2/buy.html

About The Author

Nate Ayers

I have been in the electronics game since 1998. But I have loved it since 1985.
Over the years I have sold, reviewed, bought, Broken and fixed thousands of pieces of tech. My main passion is Mobile technology (Smartphones, Gadgets, laptops, Tablet) and Audio (Headphones, Speakers, Home theatre etc…). My other passion is writing my experience down and sharing it with people who will read it. I am not the best writer in the world but I am honest.

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