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433MHz 4.2 inch 400*300 Resolution Electronic Shelf Label Epaper Display Tag For Retail

433MHz 4.2 inch 400*300 Resolution Electronic Shelf Label Epaper Display Tag For Retail
433MHz 4.2 inch 400*300 Resolution Electronic Shelf Label Epaper Display Tag For Retail433MHz 4.2 inch 400*300 Resolution Electronic Shelf Label Epaper Display Tag For Retail
group name
Rf 433Mhz Electronic Shelf Labels
Min Order
1 piece
brand name
Sertag Electronic shelf labels Manufacturer
model
SETR0420N
Nearest port for product export
Dalian, Shenzhen, Hongkong
Delivery clauses under the trade mode
FOB, CIF
Acceptable payment methods
T/T
update time
Tue, 25 Nov 2025 00:26:16 GMT

Paramtents

  • Screen Size 4.2 inch

  • Dimension (mm) 104.5×98×14

  • Screen Color Black, white

  • Screen Resolution 400×300

  • Communication Band 433MHz/868 MHz /915 MHz

  • Response Time 9S(Configurable)

  • Battery Life Not less than 5 years,Replaceable

  • Battery CR2450*3

Packging & Delivery

  • Min Order1 piece

Briefing

Epaper Display Tag, Esl, Digital price tags ,E-ink display

Detailed

4.2 inch 400*300 Resolution Electronic Shelf Label Epaper Display Tag For Retail
4.2 inch Rf433Mhz 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.
433MHz Electronic Shelf Label System Architecture
433Mhz esl system
Why Choose Sertag's Electronic Shelf Labels ?
● 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 Shelf Labels Application
4.2 inch epaper label
Product Model
SETR0420N
Dimension (mm)
216 × 131 × 9
Screen Size
4.2inch
Screen Resolution
400*300
Display Type
Bi-stable EPD(E-ink Display)
Screen Color
Black and white
Appearance
Standard unit available with white frame
Unit Identifier Barcode
Recognized by Scanner or Labeling on back
Operating Temperature
0~50℃
Storage Temperature
-10~60℃
Battery Life
Not less than 5 years,Replaceable
Replaceable Batteries
CR2450*3
Communications
433MHz/868 MHz /915 MHz
Operating Voltage
2.4V~3.6V
4.2 inch 433MHz Electronic Shelf Labels SETR0420 Series Specification