BenQ ScreenBar Halo clip-on light for small desks

I test if the BenQ ScreenBar Halo housing clears your bezel and speakers without eating desk space. For small setups, this is the fit check.

By Evan Holt · Computing editor · Computing desk · Gadget Evaluator Lab

Evan's spec pass. The BenQ ScreenBar Halo clip must clear your monitor's top edge and side speakers. It is designed to sit flush against the bezel to save desk real estate.

You are trying to add task lighting to a monitor that already sits close to your wall or keyboard. The BenQ ScreenBar Halo is a clip-on unit, so the housing depth and the clip's grip are the only variables that matter for your specific desk setup.

Look at the product photo to see the distance between the light bar and the monitor glass. This gap determines if the housing blocks the top speaker or requires you to push the monitor back, which defeats the purpose on a small desk.

01 iScreenBar (Silver) Monitor Light Bar for iMac with macOS…

Kind	BenQ ScreenBar Halo
Stars	4.9
Price	$189.00
Page	Open the Amazon listing

The title specifies this unit is designed for iMac with macOS, which implies a housing profile tailored to the specific depth and bezel curvature of Apple displays rather than a generic flat panel. This distinction is critical if you are trying to avoid the light bar protruding past the rear edge of the screen or interfering with the built-in speakers located at the top of the iMac chassis.

In the product photo, verify the distance between the light bar's mounting bracket and the screen surface, as the Silver finish often indicates a specific aluminum alloy thickness that may sit higher than plastic models. Look closely at the top edge of the housing to ensure the LED array is recessed enough to prevent glare on the iMac's glossy glass, while also checking that the rear mount does not extend beyond the monitor's depth, which would push the screen further back on your desk.

02 ScreenBar Pro LED Monitor Light Bar (Black) – Ultrawide Lighting…

Kind	BenQ ScreenBar Halo
Stars	4.8
Price	$139.00
Page	Open the Amazon listing

This listing is labeled for Ultrawide Lighting, suggesting a wider light-emitting surface than standard 16:9 models, which is necessary to cover the corners of curved or ultra-wide bezels without leaving dark spots. The Black finish is noted, which is relevant if you are matching the bar to a dark monitor bezel to minimize visual distraction during low-light work sessions.

Check the photo for the width of the light bar relative to the monitor stand shown, as ultrawide models often have a bulkier housing to accommodate the longer LED strip. Ensure the mounting arm's reach is visible in the image to confirm it can extend far enough to cover the full width of your specific bezel without the bar itself sitting too close to the screen, which could cause heat buildup or block the top speaker grille.

03 ScreenBar Halo 2 LED Monitor Light Bar – Wireless Controller…

Kind	BenQ ScreenBar Halo
Stars	4.7
Price	$199.00
Page	Open the Amazon listing

The title highlights a Wireless Controller and Backlight, indicating a more complex internal structure with battery or wireless receiver components that may increase the overall depth of the housing compared to wired-only models. This added bulk is a key factor in determining if the bar will fit within the limited clearance space behind your monitor bezel.

In the photo, look for the thickness of the main bar unit, as wireless models often have a deeper profile to house the electronics. Verify that the mounting bracket does not have a large protruding base that would require extra desk space, and check the top edge to see if the backlight component adds height that might block the top speaker or interfere with the monitor's tilt mechanism.

04 ScreenBar LED Monitor Light Bar – Auto-dimming, Adjustable…

Kind	BenQ ScreenBar Halo
Stars	4.7
Price	$109.00
Page	Open the Amazon listing

This model is described as Space-Saving and USB powered, which suggests a slimmer profile designed to minimize the footprint on the desk and behind the monitor. The Auto-dimming feature implies an integrated sensor that may be positioned on the front or top of the housing, affecting the overall height and clearance needed for your specific bezel.

Examine the photo to see the exact thickness of the bar, as 'space-saving' models often have a flatter design that sits closer to the screen. Check the mounting arm's pivot point to ensure it does not require a large base on the desk, and look at the top edge to confirm the sensor does not protrude in a way that would block the top speaker or create a gap where dust can accumulate.

05 ScreenBar Halo LED Monitor Light Bar – Wireless Controller…

Kind	BenQ ScreenBar Halo
Stars	4.6
Price	on listing
Page	Open the Amazon listing

The title mentions a Wireless Controller and Backlight, similar to the Halo 2, but the specific model designation may indicate a different generation of housing design. The Eye-Care Light Bar description suggests a focus on diffuse lighting, which often requires a wider or deeper housing to house the diffuser material.

In the product image, focus on the depth of the light bar unit, as wireless and backlight models tend to be bulkier. Verify that the mounting bracket is slim enough to fit within your monitor's rear clearance, and check the top edge to ensure the diffuser does not add significant height that could block the top speaker or require the monitor to be tilted further back.

06 Computer Monitor Lamp, Screen Monitor Light Bar for Eye Caring…

Kind	BenQ ScreenBar Halo
Stars	5.0
Price	$19.99
Page	Open the Amazon listing

This listing is titled as a Computer Monitor Lamp with Backlight for Eye Caring, which may indicate a different form factor than the standard Bar models, potentially with a more pronounced housing to house the backlight components. The E-Reading focus suggests a design optimized for diffuse light, which can affect the overall size and shape of the unit.

Look at the photo to determine the exact dimensions of the housing, as 'lamp' designs can sometimes be bulkier than 'bar' designs. Check the mounting mechanism to see if it requires a large base or clip that might interfere with your monitor's stand or desk space, and verify the top edge clearance to ensure it does not block the top speaker or create a gap that could accumulate dust.

07 Monitor Light Bar PRO+ with Sensor, Fit for Curved/Flat Monitors

Kind	BenQ ScreenBar Halo
Stars	4.8
Price	$61.99
Page	Open the Amazon listing

The title specifies Fit for Curved/Flat Monitors, indicating a mounting mechanism designed to accommodate varying bezel depths and curvatures. The Sensor feature suggests an integrated component that may affect the overall height and profile of the housing, which is critical for fitting within tight desk spaces.

In the photo, check the mounting bracket's flexibility and depth to ensure it can adjust to your specific monitor's bezel without protruding too far back. Look at the top edge of the housing to see if the sensor adds height that could block the top speaker, and verify that the overall design does not require extra desk space for a base or controller that might clutter your workspace.

08 Screenbar E-Reading LED Computer Monitor Light Lamp with…

Kind	BenQ ScreenBar Halo
Stars	4.7
Price	$214.11
Page	Open the Amazon listing

This model is described as Matte Black USB Powered, which suggests a specific finish and power delivery method that may influence the housing design. The E-Reading focus implies a diffuse light output, which often requires a wider or deeper housing to house the diffuser material and ensure even light distribution.

Examine the photo to see the thickness of the bar, as matte finishes can sometimes be applied to thicker housings. Check the mounting arm's reach and pivot point to ensure it fits within your monitor's rear clearance, and look at the top edge to confirm the diffuser does not add height that could block the top speaker or interfere with the monitor's tilt mechanism.