21-Inch Touch LCD Kiosk
Product description
21-Inch Touch LCD Kiosk – A Smart Interactive Solution for Modern Spaces
In the digital age, the 21-Inch Touch LCD Kiosk has become an essential device in modern public spaces. This smart touch screen integrates advanced interaction technologies such as touch, gestures, and voice commands, allowing users to easily access information, place orders, look up services, or interact in real time.
Despite its compact size, the 21-inch screen delivers vibrant content using LED, LCD, or projection technology. It is ideal for applications in shopping malls, museums, restaurants, hotels, schools, conferences, and exhibitions.
| Product model | US-AD***** | ||||
| Screen
parameters |
Size | 43”-55” | Audio system | Horn | 2×5W(8Ω) |
| Back type | Backlight integration | Sound mode | standard | ||
| Display Proportion | 16：9 | Output Interface | PC output interface | RJ45 1、USB 2 | |
| Physical resolution | 1920X1080 | L/R Audio output | 1 RCA X2 | ||
| Color depth | 16.7M | Power consumption | Input voltage | C 100~240v 50/60HZ | |
| Viewing angle | R/L/U/D 89/89/89/89 | Standby power / rated power | ≤3W/≤180W | ||
| Brightness | 450 cd/㎡ | Cabinet | Material | SPCC | |
| Contrast | 5000:1 | Exterior color | Black (default) gold silver | ||
| Response time | 5ms | External conditions | Working temperature / humidity | 0℃~50℃/20%～80% | |
| Service time | 60000 hours | Storage temperature / humidity | -10℃~60℃/5–95% | ||
Screen size Power
|
Screen size Power
|
18.5 inch | 21.5 inch | 27 inch | 32 inch | 43 inch | 49 inch | 55 inch | 65 inch | 75 inch | 86 inch | 98 inch |
| Standalone version | 25W | 30W | 50W | 70W | 85W | 100W | 115W | 180W | 240W | 380W | 550W |
| Android system | 25W | 30W | 50W | 70W | 85W | 100W | 115W | 180W | 240W | 380W | 550W |
| Low power consumption
One machine series |
38W | 40W | 50W | 90W | 100W | 120W | 135W | 180W | 260W | 300W | 500W |
| Desktop machine series | 95W | 98W | 110W | 150W | 170W | 190W | 220W | 250W | 330W | 390W | 600W |
Touch Panel
| Touch Panel Options | Infrared Touch (IR Touch ) | Capacitive Touch | Nano Capacitive Touch |
| Touch Points | 10 points touch | 10 points touch | 10 points touch |
| Material | IR Tube | G+G | G+F |
| Response Time | <8ms | <3ms | <5ms |
| Touch Times | 50 million times | 50 million times | 50 million times |
| Transmittance | 0.92 | 0.95 | 0.85 |
Control Processing Unit (CPU)
| Version | CPU | Internal Storage | Out Storage | Interface | System supporting |
| Display Version | E9-B11/ E9-BNC/E6J-AV | No storage | USB /HDD/SSD | HDMI/VGA/DVI/USB | Android /Windows/Linux OS |
| Standalone Version | Mstar V56 | No storage
( 8G/16G available) |
support SD card and USB Flash | HDMI/USB/SD | Only Standalone OS |
Configuration
| Configuration | CPU | Chip architecture | Processor | Maximum resolution support | System Version | Storage |
| Basic level | A20 | Cortex-A7 | Dual-Core | 1080P | Android 4.1 | 512Mb +8G |
| A33 | CortexTM-A7 | Quad-core | 1080P | Android 4.4 | 512Mb/1Gb +8G | |
| A64 | Cortex-A53 | Quad-core | 1080P | Android 5.1 | 512Mb/1Gb +8G | |
| Middle level | RK3128 | Cortex-A7 | Quad-Core | 1080P | Android 6.0 | 512Mb/1Gb +8G |
| RK3368 | Coretex-A53 | Octa-Core | 2K/4K | Android 6.0 | 1Gb/2Gb +8G | |
| RK3188 | Cortex A9 | Quad-Core | 2K | Android 6.0 | 1Gb/2Gb +8G | |
| Top level | RK3288 | Cortex-A17 | Quad-Core | 4K | Android 6.0 | 2Gb +8G |
| RK3399 | Cortex-A72 | Dual-core +Quad-core | 4K | Android 7.1 | 4Gb +16G | |
| Amlogic T960X | Cortex-A53 | Quad-Core | 4K | Android 7.1 | 2Gb+8G |
Operating System (OS)
| Operating System | CPU | System Version | Graphics | RAM | Storage |
| Windows OS | Core-i3 | Win 7/ Win 10 | 3.7HZ/3.9HZ | 4G (8G available ) | 120G SSD/500G HDD |
| Core-i5 | Win 7/ Win 10 | 3.2HZ/3.4HZ | 4G (8G available ) | 120G SSD/500G HDD | |
| Core-i7 | Win 7/ Win 10 | 3.4HZ/3.6HZ | 4G (8G available ) | 120G SSD/500G HDD |
21 inch Touch Kiosk LCD Screen Application
Education
at schools, colleges and universities
Catalogue
at exhibitions and corporate offices
Orders
Items in stores or restaurants
Buy/Sell tickets
for public transport, cinemas, etc.
Check-in
In hospitals, hotels and universities
Calendar
at schools, colleges and universities
✓ High-quality LCD screen
Equipped with tempered glass that is impact-resistant, scratch-resistant, dust-proof and waterproof, making the device durable over time. The screen can be upgraded from Full HD (1080p) to 2K or 4K, providing clear, vivid images.
✓ Flexible operating system
Customize according to your needs, you can choose between Windows, Android, Linux or standalone operating system, easily manage content and control presentations.
✓ Tempered glass design
Increases equipment durability and safety, minimizing the risk of damage in public environments.
✓ Multiple configuration options
From basic to advanced, the device configuration can be customized from Android 4.1 to 7.1, meeting both display and processing speed needs.
✓ Flexible size
In addition to the 21-inch size, Led Technology also offers other options: 32, 43, 49, 55 inches to suit each specific space.
✓ Smart screen split
Supports split screen display of multiple contents at the same time, optimizing communication and promotion effectiveness.
✓ High-end case
High-strength steel material, super thin, both beautiful and sturdy, suitable for both indoor and outdoor spaces.
✓ 24/7 continuous operation
Ensures stable operation over long periods of time, ideal for areas requiring uninterrupted projection.
✓ Flexible Storage Capacity
Supports internal memory from 512MB to 2GB and can be expanded via USB, HDD, SSD.
✓ 178° wide viewing angle
Clear, sharp display from any angle – ideal for public and crowded spaces
✓ Smart on/off timer
Save energy and extend the life of the device with flexible daily/weekly timer mode.
✓ Rear heat sink
The heat sink system keeps the temperature stable when the device is operating continuously, helping to increase durability and projection performance.
✓Centralized Management via Cloud
Easily control content, playback time and the entire system remotely via cloud computing platform.
✓Integrated multi-port connection
Supports USB, SD card, HDMI, VGA, DVI… ensuring smooth presentation, no lag.
👉 Contact Led Technology now for advice and experience the modern Touch Kiosk line, helping you elevate your brand and optimize operational efficiency!
📞 Hotline: +84 83 339 8839
🌐 Website: www.ledcongnghe.com
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