Product Overview

The 21.5" Elevator Digital Signage from Shenzhen Qunmao Display Technology is a cutting-edge, user-friendly digital display solution designed for a wide range of commercial applications. Featuring a sleek and integrated frame, this display ensures a visually stunning presentation with its borderless design, making it easy to install and maintain. The signage uses a high-quality IPS HD LCD panel, delivering brilliant, true-to-life colors and supports ultra-high-definition (UHD) video playback for both pictures and 4K videos.

This Android-based digital signage operates on the Android 9.0 system and is powered by the V352 Quad-core A53 processor with a clock speed of up to 1.9GHz. It also integrates the Mali T450 GPU for smooth graphics rendering. The system comes equipped with 2GB of RAM and 32GB of storage, offering ample memory for seamless performance and reliable media storage. The display offers an excellent visual experience with a 1920x1080 resolution, a 3000:1 contrast ratio, and a brightness of ≥250cd/m². With a 16:9 aspect ratio and a wide viewing angle of 89° in all directions, it ensures consistent, clear images from any vantage point. This signage can be mounted horizontally or vertically, making it versatile for different display needs.

In terms of connectivity, the QM-2721FZ-S model includes USB 2.0 ports, RJ45 Ethernet, HDMI input, and a TF card slot. It also supports Wi-Fi (2.4G) and Bluetooth 4.2 for wireless connectivity, with options to install 3G/4G modules for remote access. Audio output is supported through a 3.5mm ear jack, and the built-in 8Ω/9.5W amplifier offers powerful sound for both left and right channels. With support for 4K video and picture decoding, this signage can run various types of content, including videos (AVI, MP4, MKV, etc.), audio files (MP3, WAV, AAC, etc.), and images (JPG, PNG, BMP, etc.), as well as PowerPoint presentations and live web pages. The system allows users to install third-party applications, customize the boot animation, and even manage content with an infrared remote control.

The signage’s intelligent functionality extends to features such as custom program scheduling, terminal management for multi-level administration, and the ability to splice different content for seamless display. Its timing function allows the scheduling of specific content to be displayed at set intervals, making it ideal for public spaces or commercial settings where dynamic content is needed. Constructed from durable aluminum and cold-rolled steel materials, the 21.5" Elevator Digital Signage is both robust and stylish, with a weight of 5kg and a compact size of 680.5x315.2x24.7mm. The system operates within a temperature range of -0℃ to 55℃, with humidity levels between 10% and 90% RH, making it suitable for various indoor environments.