Sertag 4.2 inch Wi-Fi Digital Price Tag has a low power e-paper display, Type-C rechargeable, LED lights and buttons.

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.
- Type-C Rechargeable Battery – Swap disposable cells for a rechargeable design; simple, sustainable, and cost-effective.
- Seamless Integration – Wireless connectivity (such as Wi-Fi or similar) enables instant updates—sync pricing, promotions, barcodes, and QR codes remotely.
Package Includes
1 × 4.2 inch E-paper Label Wi-Fi Smart Digital Price Tag (Model: SETPW42_V2)
Document Download
1. Wi-Fi Electronic Label SETPW42R_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 | SETPW42_V2 | Display Technology | E-ink |
|---|---|---|---|
| Communication | 2.4G WiFi b/g/n | Resolution (pixels) | 400*300 |
| Dimension (mm) | 124*90*12 | Display Area (mm) | 84.6 * 63.4 |
| Viewing Angle | Nearly 180° | Working Temperature | 0~50℃ |
| Battery Capacity | 3000mAh(Rechargeable polymer battery) | Power Supply Mode | Type-C Interface Charging |
| Support Remote Control | Yes | Display Color | Black, white, red |
| Wireless Firmware Update | Yes | Support Interface Docking | Yes |
| Supported Content Format | Text/ picture/ QR code/ barcode | Light & Button | 3*7-color LED & 3 keys |

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 E-ink Wireless Digital Shelf Labels, Type-C rechargeable, low power, built-in LED lights and buttons, can be used in retail, hospital, warehouse, and so on.
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