WiFi 4.2 inch Electronic Price Tags E-ink ESL Type-C Rechargeable
WiFi 4.2 inch Electronic Price Tags E-ink ESL Type-C Rechargeable
WiFi 4.2 inch Electronic Price Tags E-ink ESL Type-C Rechargeable
WiFi 4.2 inch Electronic Price Tags E-ink ESL Type-C Rechargeable
WiFi 4.2 inch Electronic Price Tags E-ink ESL Type-C Rechargeable
Model
Wi-Fi Electronic Price Tag SETPW42R_V2

Item specifics

Display Size
4.2inch
Communication
2.4G WiFi b/g/n
Battery Capacity
3000mAh(Rechargeable polymer battery)
Power Supply Mode
Type-C Interface charging
Working Temperature
0~50℃
Light & Button
3*7-color LED & 3 keys

Review

Description

WiFi 4.2 inch E-ink Electronic Price Tags Type-C Rechargeable

This 4.2 inch tri-color WiFi electronic price tag combines wireless connectivity, rechargeable power, LED-button functionality, and interactive features in one device, offering a more flexible, cost-effective, intelligent smart retail solution, helping stores digitize pricing, improve operational efficiency, and enhance the in-store customer experience.

Equipped with a Type-C rechargeable battery, the 4.2 inch electronic price tag reduces maintenance workload and long-term operational costs. The tri-color e-ink display (black, white, red) provides high-contrast, paper-like readability, ensuring that prices, promotions, and product information remain clear and consistent across all shelve. In addition, the built-in LED indicators and buttons enable interactive retail applications such as promotional guidance, staff assistance, or smart shelf management, further improving store efficiency.

With WiFi connectivity and no need for a base station, retailers can quickly deploy the ESL system across shelves without complex infrastructure. This makes it especially suitable for supermarkets, chain stores, and specialty retail shops looking for a flexible and scalable pricing solution.
tri-color esl price tags

Why Choose Our 4.2 inch WiFi Electronic Price Tag?

💻 Real-time Price Updates for Retail Efficiency

Instantly update prices, promotions, and product details across all shelves via WiFi, eliminating manual label replacement and ensuring pricing accuracy at all times.

📶 No Base Station Required

Direct WiFi communication removes the need for additional gateways, making installation faster and more flexible—ideal for both single stores and multi-store chains.

📃 4.2" Tri-color E-ink Display

The black, white, and red display allows retailers to highlight discounts, limited-time offers, and key product information, improving visibility and boosting in-store conversion.

🔋 Type-C Rechargeable Design

Rechargeable battery design reduces the need for frequent battery replacement, saving labor costs and making store operations more sustainable.

💡 Built-in LED Lights & Buttons

Integrated multi-color LED indicators and physical buttons enable pick-to-light, task confirmation, or status alerts, improving operational efficiency in retail and warehouse scenarios.

WiFi Electronic Shelf Label System

Simple. Direct. Scalable.

The system uses WiFi to connect each electroinc label directly to the management platform—no gateway required. This allows retailers to update prices in real time, reduce setup complexity, and easily scale across stores.
Wifi ESL System Architecture
🛒For Sample or Individual Purchase

This product can be purchased directly from our official consumer store.
For project-based or large-quantity orders, please contact us.

4.2 inch wifi esl price tags
Product Model 
SETPW42_V2
Display Technology
Tri-colors E-ink Display
Communication
2.4G WiFi b/g/n
Resolution (pixels)
400*300
Dimensions (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
Wi-Fi Electronic Label SETPW42R_V2 Specification
Template Interface Calling Instructions

Wi-Fi E-ink Electronic Label Operation Guidance
WIFI Electronic Labels Working Status Description
Wi-Fi Electronic Tag User Manual
WIFI Electronic Tag API Integration Manual V1.0.6