4.2 inch wifi electronic shelf label
4.2 inch wireless electronic shelf label
4.2 inch wireless ESL
4.2 inch wifi electronic shelf label
4.2 inch wireless electronic shelf label
4.2 inch wireless ESL

4.2 inch Wi-Fi Electronic Shelf Label for Supermarket

$45
Dimension:
  • 4.2inch
Color:
  • Tri-color
Sertag 4.2 inch Wi-Fi Electronic Shelf Label has a low power e-paper display, LED lights and buttons.
Wi-Fi Communication  ●  Tri-Color E-paper  ●  No Base Station 
Key Features
  • E-Paper Display Technology – Black, white, and red colors deliver standout visibility with minimal glare, wide viewing angles, and ultra-low energy use. 
  • Wireless Connectivity – Stay connected effortlessly with WiFi capability, ensuring reliable communication for efficient data updates.
  • Standalone Operation – No need for a dedicated base station; our ESLs operate independently for a simplified setup.
  • Seamless Integration – Wireless connectivity enables instant updates—sync pricing, promotions, barcodes, and QR codes remotely.

Package Includes

1 × 4.2 inch Wi-Fi Electronic Shelf Label (Model: SETPW0420_V2)

Document Download

1. 4.2 inch Wi-Fi Electronic Label SETPW0420_V2 Specification
2. Template Interface Calling Instructions
3. Wi-Fi E-ink Electronic Label Operation Guidance
4. WIFI Electronic Labels Working Status Description
5. Wi-Fi Electronic Tag User Manual
6. WIFI Electronic Tag API Integration Manual V1.0.6

Product Specifications
Product Model SETPW0420_V2 Display Technology Tri-colors E-ink
Communication 2.4G WiFi b/g/n Resolution (pixels) 400*300
Dimension (mm) 104.95 * 95.93* 15.2 Display Area (mm) 84.6 * 63.4
Pixel Size (mm) 0.212 * 0.212 Working Temperature 0~40℃
Display Color Black, white, red Battery Capacity AA * 4
Viewing Angle Nearly 180° Battery Life 1 year (4 refreshes / day)
Support Remote Control Yes Support Interface Docking Yes
Wireless Firmware Update Yes Light & Button 1 * tri-color LED & 2 * Buttons & 1 * Reset Button
Supported Content Format Text, picture, QR code, barcode    
 
Application
Contact Us

For more information, please visit our official websites:
www.eslmfg.com | www.lightpicksystems.com
For inquiries, contact us at: sales@sertag.com

4.2 inch Wi-Fi electronic shelf label, uses e-ink as the screen, low power, built-in LED lights and buttons, can be used in retail, supermarket, hospital, warehouse, and so on.
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