The Kensington 23.8-inch W9 TIO 24 Privacy Filter by Lenovo (4Z11K07879) is an essential monitor accessory designed to protect sensitive on-screen information in public or shared workspaces. Featuring a +/-30-degree viewing angle restriction, blue light reduction of up to 30%, and a dual-sided matte/glossy finish with antimicrobial coating, this frameless privacy filter delivers robust data protection while reducing eye strain for 23.8-inch monitors .
Key Sections
Micro-Louver Privacy Technology
The filter utilizes micro-louver technology to narrow the field of vision on the monitor to +/-30 degrees . This effectively darkens the screen for anyone viewing from an angle beyond this range, ensuring that your information remains private in crowded environments like open-plan offices, airports, or cafes . The frameless design integrates seamlessly with your monitor for a clean, professional look .
Blue Light Reduction & Eye Comfort
Work comfortably for longer periods with blue light filtering that reduces harmful rays by up to 30% . This helps ease eye strain and minimizes the chances of blue light interrupting your natural sleep patterns. The filter is designed to be OS independent, making it compatible with various operating systems .
Dual-Sided Surface Options
The privacy filter offers two distinct surfaces to suit your preference :
Matte finish: Reduces glare and fingerprints, making it ideal for bright environments
Glossy side: Provides a clearer, more vibrant view of your monitor
Antimicrobial Protection
The anti-glare/matte surface features a special antimicrobial film coating that prevents mildew and bacteria growth, which can cause stains and odors on the film . This helps maintain a clean, hygienic surface over extended use.
Durable & Reliable Construction
The filter is built to withstand various environmental conditions with a film thickness of 0.44mm and the ability to withstand temperatures ranging from -18°C to 60°C . With light transmission of 65% +/-5%, the filter effectively blocks viewing angles while maintaining acceptable display clarity for productive work .
Core Features
Narrows field of vision to +/-30 degrees, preventing visual data breaches in public spaces
Filters harmful blue light by up to 30%, reducing eye strain and protecting sleep patterns
Dual-sided design with matte finish (anti-glare, anti-fingerprint, antimicrobial) and glossy side (clearer view)
Frameless design for seamless integration with 23.8-inch monitors
Special antimicrobial film coating prevents mildew and bacteria growth
Durable construction with 0.44mm thickness and resistance to extreme temperatures
OS independent for universal compatibility
Light transmission of 65% +/-5% maintains display clarity while protecting privacy
Performance & Utility Features
Micro-louver technology restricts viewing angle to +/-30 degrees for effective privacy
Anti-glare matte surface reduces reflections and fingerprints, while glossy side offers clearer visuals
Antimicrobial coating on matte side prevents mold and bacterial growth
Easy to apply and remove with included attachment mechanisms and installation instructions
Resists thermal shock and extreme temperatures (-18°C to 60°C) for durability
Packaged in a plain brown envelope with included cleaning cloth
Technical Specifications Summary
Part Number: 4Z11K07879
Brand: Kensington (by Lenovo)
Screen Size Compatibility: 23.8 inches (60.5 cm)
Filter Type: Frameless display privacy filter
Viewing Angle Restriction: +/-30 degrees
Light Transmission: 65% +/-5%
Film Thickness: 0.44 mm
Blue Light Reduction: Up to 30%
Surface Coating: One side matte (anti-glare, anti-fingerprint, antimicrobial), one side glossy
