21.5-Inch Large-Format Linux Monitor for Smart City Applications and Digital Signage

The 21.5-inch high-definition monitor is a versatile solution for smart city applications, providing seamless integration with a wide array of public displays and digital signage systems. With its 1920 x 1080 resolution and vibrant 16.7 million colors, it ensures sharp and engaging visuals, making it ideal for public information kiosks, bus stop displays, or traffic control panels. The high brightness of 250 cd/m² ensures that the content remains legible even in outdoor settings, while its wide viewing angle allows for clear visibility from multiple directions. This makes the monitor perfect for dynamic content like advertising, wayfinding, and public announcements in busy urban environments.

In retail and advertising, this large-format monitor serves as an essential tool for digital signage and interactive displays. Its 16:9 aspect ratio and high contrast ratio of 3000:1 deliver vivid, captivating visuals, making it perfect for shopping malls, airports, and train stations, where high-traffic and high-visibility areas require eye-catching displays. With built-in Wi-Fi and Ethernet connectivity, it can easily integrate into a content management system for dynamic scheduling and remote updates, ensuring businesses can push real-time promotions, advertisements, or interactive media. The display's low power consumption also ensures energy efficiency, which is critical for installations requiring constant operation.


For transportation hubs and public infrastructure, the 21.5-inch Linux-powered monitor offers an ideal platform for delivering critical information to commuters. It is well-suited for train stations, airports, or bus terminals where passengers require real-time updates on schedules, gate information, and safety announcements. The responsive 6.5ms refresh rate ensures that updates to information are displayed without delay, which is crucial in high-traffic environments. With built-in audio, this monitor can also support announcement systems for improved communication in public spaces, allowing for both visual and auditory alerts to be broadcast seamlessly. Its durability in varying temperatures makes it resilient for both indoor and outdoor installations, ensuring long-lasting performance in a wide range of public settings.

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Focus on indoor and outdoor commercial LCD display application, ZXT LCD supply various video display products from global market. The founder of Shenzhen ZXT LCD Technology Co.,Limited, Mr.Kevin always insist on best quality and reasonable price as company principle. We would like to work closely with our business partner from all over the world to keep a long-term win-win business relationship.

Stretched LCD Display, LCD Video Wall,Outdoor Digital Signage, LCD interactive whiteboard, Touch screen kiosk, multi-touch Table, Self-service kiosk, CCTV Monitor, Open frame Display, Transparent LCD Display and 3D Holographic Display,OLED screen is our main product.

On 2018, ZXT LCD expand plant scale to 800 square meters and increase new production lines to meet the growing demand from global Market. In order to control our product quality, we set up dust-free anti-static standard workshop of international advanced production and testing equipment. And our product achieved CE approval, Rohs certification for many places all over the world.

End user, System integrator, trader, retailer or distributor from multimedia business company, advertisement company or agency,PC engineer or IT solution Provider are all welcome to join us!

Customer-first approach: We focus on our customers’ experience and success, always doing what’s best for our customers as well as their customers.

Complete solution: We provide the right combination of services, expertise and technology to meet your business goals.

Our company have been in this line of business for more than 9 years experience. In the Past three years, ZXT LCD have served more than 200 clients from different countries and regions. with the same beliefs on kind-hearted and responsible, which make us go further in future cooperation.