Lenovo 21.5-inch Monitor Home Business Office External Display Low Blue Light Eye Protection Narrow Bezel 100Hz IPS Technology S22-4e

Three-side micro narrow bezel for wider viewing area and seamless multi-screen setup

1× HDMI 1.4

1× VGA

1× Power cable (1.8m)

Kensington Lock slot

Supports simultaneous connection of VGA and HDMI with one-key signal source switching

TÜV Rheinland certified flicker-free technology (ID0217008261)

TÜV Rheinland certified hardware low blue light (ID0217008096)

Hardware blue light filter reduces harmful blue light without color distortion

DC dimming technology to reduce screen flicker

Eyesafe certified anti-glare screen reduces reflections and eye strain

No need for software settings; eye protection active on startup

Maintains original color accuracy while reducing eye fatigue

100Hz refresh rate combined with 4ms response time reduces motion blur and improves smoothness for office tasks

High contrast ratio and wide color gamut support professional graphic design and post-production work

Supports FHD 1080p at 100Hz for smooth daily use

Packaging made from recyclable materials

Sustainable manufacturing practices

Complies with TCO standards

Supports multi-device connectivity for laptops and desktops, suitable for SOHO, public office spaces, and rental environments

Hardware eye protection surpasses traditional software blue light filters by preserving beneficial blue light

Certified for flicker-free and low blue light hardware protection to reduce eye strain during long screen time (average daily screen time ~9 hours)

This product is not a medical device and does not provide therapeutic functions.

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