21.5″ digital class board
- Face recognition and card attendance
- Built-in calling module for parents
- Class, timetable and course info
- Plays campus videos and notices
21.5″ · wall mount
Campus & Transit Displays
Displays for schools and public transport
We build purpose-made displays for schools and transit operators: digital class boards with face and card attendance, outdoor campus screens, stretched bar LCDs for buses and shelves, electronic bus stop signs with arrival times, and ultrasonic height-and-weight stations.
Key facts
- Class board
- 21.5″, RK3288, face + IC/ID card attendance
- Bar displays
- Split-screen, landscape/portrait, 7×24 operation
- Bus stop
- High-brightness, real-time arrival, waterproof, temperature-controlled
- Health station
- Ultrasonic height + weight, 8″ touch, voice output
- Management
- Remote publishing, scheduled power on/off
Models in this range
Standing campus attendance kiosk
- Face recognition and IC/ID card attendance
- Infrared body-temperature sensing
- Shows date, time and scrolling notices
- Custom size, color and cartoon artwork
21.5″ · floor-standing
Stretched bar LCD
- Bar format for buses, shelves and windows
- Cloud publishing and scheduling
- Shock, heat and EMI resistant
- SD / USB offline playback
Multiple lengths
Electronic bus stop sign
- Route, real-time position and ETA
- Video ads with LED ticker
- Infrared HD surveillance camera
- Outdoor temperature control, waterproof
Outdoor · high brightness
Ultrasonic height & weight station
- Imported ultrasonic probe, automatic measuring
- No calibration or staff needed
- 8″ touch screen and voice readout
- IC/ID card and data upload
8″ · Android
Reference specification — 21.5″ class board / attendance kiosk
| Panel | 21.5″ TFT-LED, 1920 × 1080, portrait 9:16 |
|---|---|
| Brightness / contrast | 200 cd/m² · 1200:1 |
| Processor | Rockchip RK3288 quad-core Cortex-A17, 1.8 GHz |
| Memory / storage | 2 GB DDR · 8 GB flash · SD up to 64 GB |
| Network | Ethernet, Wi-Fi, 3G/4G (optional), Bluetooth |
| Expansion | 3 serial ports for 4G, NFC, printer, card reader, scanner, ID reader |
| Camera | 2 MP or 5 MP MIPI (optional) |
| Clock | RTC battery; scheduled power on/off |
| Power | DC 12 V 2 A adapter (AC 100–240 V input) |
Specifications are from the factory catalog and may change with configuration. Ask for the current spec sheet.
What you can customize
- Attendance and school-management software integration
- Size, color and cartoon artwork
- Vehicle-grade power and mounting for buses
- Outdoor brightness and enclosure rating
Applications
- Kindergartens, schools and universities
- Bus operators and stations
- Retail shelf-edge displays
- Clinics and school health rooms
Frequently asked questions
Related buying guides
What does a digital class board do?
It shows class information, timetables and school notices outside each classroom and records student attendance by face recognition or card.
Can bus stop displays show real-time arrivals?
Yes. Connected to the dispatch system, the sign shows vehicle positions and estimated arrival times alongside advertising.
Do you support custom artwork for kindergartens?
Yes. Housing color, size and printed cartoon designs are customizable on campus products.
Related product lines
Android Boards & Media Players
The mainboards inside our displays, sold to integrators and other manufacturers.
Digital Signage Displays
Floor-standing, wall-mount, ceiling-hung and outdoor advertising players.
Self-Service Kiosks
Ordering, hotel check-in, payment, ticketing and government service terminals.
Request a quote for this range
Send a size, a sketch or a reference model. You get a spec sheet and factory price from an engineer, usually within one working day.