433MHz 4.2 inch Electronic Price Display EPD E-Ink Epaper Labels
- Model
- Electronic Price Display SETR0420N
Item specifics
- Display Size
- 4.2 inch
- Communication Band
- 433MHz/ 868 MHz/ 915 MHz
- Response Time
- 9s (Configurable)
- Dimension
- 104.5mm(V) ×98mm(H)×14mm(D)
- Display Resolution
- 400(H)×300(V)
- Battery
- CR2450*3
- Display Color
- Black, white
Review
Description
4.2 inch Electronic Price Display EPD E-ink Epaper Label

✔ E-Ink Display
High-contrast, easy-to-read screens with minimal power consumption.
✔ Server Options
Cloud or local Server based options.
✔ Long Battery Life
Lasts up to 5 years without the need for frequent replacements.
✔ Wide range of applications
Perfect for the retails, warehouses and logistics management.
✔ Real-Time Updates
Communication band is 433 Mhz. Instantly change prices and display information across all labels remotely.
Part Number |
SETR0420N
|
Display Size
|
4.2 inch
|
Communication Band |
433MHz/ 868 MHz/ 915 MHz
|
Response Time
|
9s (Configurable)
|
Resolution | 400×300 | Dimension (mm) | 104.5 × 98 × 14 |
Operating Temperature | 0~50℃ | Storage Temperature | -10~60℃ |
Operating Humidity | Less 75% | Operating Voltage | 2.4V~3.6V |
Battery | CR2450*3 | Display Color | Black, white |
Battery Life |
5 years (refresh time≤2/day), Replaceable
|
4.2 inch Electronic Price Display Features
● Low Energy Consumption: Ensures minimal power consumption, significantly reducing energy costs for your store.
● Visible from 180°: Enjoy the advantage of clear visibility from virtually any angle.
● Scannable QR Codes and Images: Enhance customer engagement and convenience with scannable QR codes and images on our digital price tags.
● Flashing LED Lights: For added attention or special promotions, our electronic shelf labels can be equipped with flashing LED lights.
● CE & RoHS Certification: This certification ensures that our electronic shelf labels meet European safety standards and are free from hazardous materials, assuring both quality and safety.
Electronic Price Display --- System Architecture

Electronic Price Display Demo Kit
Click the picture to get more information about digital price tags demo kit
✔ Communication band is 433 MHz
✔ Real-time price change
✔ Lower error rate
✔ Docking system with enterprise management system
✔ Perfect for the retails, warehouses and logistics management.
✔ Cloud or local Server based options.
Electronic Price Display Customer Case
The ESL system transforms your retail environment by streamlining pricing and information management. Applications include:
Price Updates: Instantly update prices across all labels in your store, ensuring consistency and accuracy without manual intervention.
Product Information: Display detailed product descriptions, promotions, QR codes, and images for customer engagement and information access.
Inventory Management: Effortlessly manage inventory by linking labels to stock levels and automatically updating availability.