BenQ
BenQ 9H.W4KWT.WS3 ScreenBar Pro Monitor Light
★★★★★
USB-C
Experience Ultimate Eye Comfort with Smart Monitor LightingIntroducing the BenQ ScreenBar Pro, a revolutionary monitor light designed to enhance your viewing experience and reduce eye strain. Featuring ultrawide illumination, a motion sensor for automatic operation, and adjustable brightness and ...
$139.00*
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*Price sourced from Amazon.com. Last updated:Jun 03, 2026.Price and availability are subject to change.
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Overview
Experience Ultimate Eye Comfort with Smart Monitor Lighting
Introducing the BenQ ScreenBar Pro, a revolutionary monitor light designed to enhance your viewing experience and reduce eye strain. Featuring ultrawide illumination, a motion sensor for automatic operation, and adjustable brightness and color temperature, this eye-care light bar eliminates screen glare while saving valuable desk space, making it perfect for curved monitors and ultrawide displays.
Specifications
- Brand: BenQ
- Model: 9H.W4KWT.WS3
- Color: Silver
- Material: Aluminum
- Style: Modern
- Room Type: Home Office
- Product Dimensions: 19.68"L x 5.31"W x 3.62"H
- Specific Uses: Office, Home Office
- Usage: Indoor
- Power Source: AC/DC
- Installation: Tabletop mount
- Special Feature: Motion Sensor
- Control Method: Touch
- Light Source: LED
- Finish Type: Polished
- Shade Material: Aluminum
- Number of Lights: 1
- Voltage: 8.5 Volts
- Theme: Space
- Light Color: Adjustable White
- Shape: Rectangular
- Included Components: USB-C Power Adapter
- Lighting Method: Adjustable
- Item Weight: 1.34 Kilograms (2.95 pounds)
- Wattage: 8.5 watts
- Switch Type: Touch
- Unit Count: 1.0 Count
- Water Resistance: Not Water Resistant
- Connectivity: USB
- Brightness: 1000 lux
- Efficiency: Highly Efficient
- Mounting Type: Tabletop mount
- Shade Color: Silver
- Fixture Type: Non-Removable
- Assembly Required: No
- CRI (Color Rendering Index): >95
- Compatibility: Monitors >=1000R curvature (compatibility may vary)
Key Features
BRIGHT AND ULTRAWIDE ILLUMINATION – ScreenBar Pro offers over 1000lx central brightness and a 500lx range within 33"x20" (85cmx50cm), outperforming most desk lamps and enhancing eye comfort with ample illumination.
HIGH COMPATIBILITY – Fits monitors 0.17" - 2.56" (0.43cm-6.5cm) thick and curvature 1000-1800R. Patented clamp design accommodates monitors with special back designs or non-flat top bezel. Easy setup and no blocking to camera lens.
MOTION SENSOR – The ultrasonic motion sensor detects movements within a 24"±4" (60cm±10cm) diameter range, automatically lighting up when you're nearby and shutting down after 5 mins of absence to save energy.
ASYM-LIGHT TECHNOLOGY– ScreenBar Pro's unique asymmetrical optics prevents screen reflection and direct glare, lighting up the desktop for enhanced productivity while reducing eye strain.
SPACE SAVING – ScreenBar Pro integrates convenient function buttons for easy adjustments and sits directly on monitors to save desk space. Powered via USB-C or with the included adapter for flexible use.
Specifications
Brand
BenQ
Model
9H.W4KWT.WS3 ScreenBar Pro Monitor Light
Central Brightness
Over 1000lx
Illumination Range
500lx within 33"x20" (85cmx50cm)
Monitor Thickness Compatibility
0.17" - 2.56" (0.43cm-6.5cm)
Monitor Curvature Compatibility
1000-1800R
Sensor Type
Ultrasonic Motion Sensor
Motion Sensor Range
24"±4" (60cm±10cm) diameter
Light Technology
Asym-Light Technology
Power Source
USB-C or included adapter
Pros & Cons
👍 Pros
- Delivers over 1000lx central brightness and a 500lx range within 33"x20", providing ample illumination for eye comfort.
- Features a patented clamp design, ensuring high compatibility with monitors from 0.17" to 2.56" thick and curved screens (1000-1800R).
- Equipped with an ultrasonic motion sensor that automatically lights up when detected and shuts down after 5 minutes of absence, saving energy.
- Utilizes Asym-light technology, preventing screen reflection and direct glare for enhanced productivity and reduced eye strain.
- Saves valuable desk space by sitting directly on top of the monitor, and is flexibly powered via USB-C or an included adapter.
👎 Cons
- The ultrasonic motion sensor has a specific detection range (24"±4"), which might require precise placement for optimal functionality.
- While compatible with many monitors, extremely thin bezels or unusual top-mounted accessories might still present a challenge.
- The high central brightness might be too intense for users who prefer very dim working environments.
- The lamp relies on being powered via USB-C or an adapter, meaning it will occupy a port on your computer or require an outlet.
- The fixed illumination range might not perfectly cover exceptionally wide or multi-monitor setups.
Frequently Asked Questions
How does the BenQ ScreenBar Pro help with eye comfort?
The ScreenBar Pro provides over 1000lx central brightness and uses Asym-light technology to prevent screen reflection and direct glare, illuminating your desktop for enhanced eye comfort and reduced strain.
Is this monitor light compatible with curved monitors?
Yes, the patented clamp design of the ScreenBar Pro accommodates monitors with curvature between 1000-1800R, as well as those with special back designs.
Does the BenQ ScreenBar Pro turn on and off automatically?
Yes, it features an ultrasonic motion sensor that detects movements within a 24"±4" diameter, automatically lighting up when you're nearby and shutting down after 5 minutes of absence to save energy.
Will the ScreenBar Pro block my monitor's webcam or take up desk space?
No, the patented clamp design is engineered for easy setup without blocking camera lenses and sits directly on top of your monitor, effectively saving desk space.
How is the BenQ ScreenBar Pro powered?
The ScreenBar Pro can be powered conveniently via USB-C or with the included adapter, offering flexible options for connection.
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