433MHz 4.2 inch Low Power E ink Display Tri-color Warehouse Electronic Labels

group name: Rf 433Mhz Electronic Shelf Labels

Min Order: 1 piece

brand name: Sertag Electronic shelf labels Manufacturer

model: Warehouse Electronic Labels SETR0420R

Nearest port for product export: Dalian, Shenzhen, Hongkong

Delivery clauses under the trade mode: FOB, CIF

Acceptable payment methods: T/T

update time: Tue, 26 May 2026 11:58:19 GMT

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Paramtents

Screen Size 4.2 inch
Communication Band 433MHz/ 868 MHz/ 915 MHz
Response Time 9s (Configurable)
Dimension (mm) 104.5×98×14
Screen Resolution 400×300
Battery CR2450*3
Screen Color Black, white and red

Packging & Delivery

Min Order1 piece

Briefing

4.2inch electronic warehouse labels, e-ink display, real-time updates, 9s response time, battery powered, with LED lights.

Detailed

Description

Parameter

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Upgrade your retail experience with Sertag electronic shelf labels, the innovative solution for dynamic and efficient pricing and information display. Say goodbye to traditional paper labels and embrace a modern, eco-friendly approach to manage your shelves effortlessly.

4.2 inch Low Power E ink Display Tri-color Warehouse Electronic Labels

✔ 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.

4.2 inch Low Power E ink Display Tri-color Warehouse Electronic Labels Feature

433MHz 4.2 inch Electronic Shelf Label Refresh

This video shows the refresh status of a 4.2 inch electronic label.

● 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 digital price tags can be equipped with flashing LED lights.

● CE & RoHS Certification

This certification ensures that our digital price tags meet European safety standards and are free from hazardous materials, assuring both quality and safety.

Rf 433Mhz E ink Display Warehouse Electronic Labels System Architecture

4.2 inch RF433MHz Electronic Shelf Labels

Product Module	SETR0420R	Display Size	4.2 inch
Communication Band	433MHz/ 868 MHz/ 915 MHz	Response Time	9s(Configurable)
Screen Resolution	400×300	Dimension(mm)	104.5×98×14
Battery	CR2450*3	Operating Humidity	Less 75%
Operating Temperature	0~50℃	Storage Temperature	-10~60℃
Operating Voltage	2.4V~3.6V	Display Color	Black, white and red
Battery Life	5 years (refresh time≤2/day), Replaceable