BIWITECH SMARTTAG E-INK 2.1R
Revolutionize Your Retail Pricing with Tricolor Smart Digital Labels
Enhance your retail experience with the SmartTag Biwitech E-Ink 2.1R. This advanced electronic shelf label features a tricolor display, allowing for eye-catching promotions and clear pricing. With real-time updates and energy-efficient technology, it's the perfect solution for modern retail environments.


Key Features
Tricolor Display
Black, white, and red colors for impactful visual communication.
Energy Efficient
Long battery life with ultra-low power consumption.
Real-Time Updates
Instantly update prices and promotions across your store.
Durable Design
Built to withstand retail environments with a sturdy construction.
Wide Viewing Angle
Clear visibility from various angles for customer convenience.
Smart & Efficient Digital Labels
With e-paper technology, ultra-low energy consumption, and long-lasting 3-5 year battery life, SmartTag Biwitech E-Ink 2.1R provides a future-ready solution for digital pricing needs.
E-paper Technology
Crystal clear display for easy reading
Ultra-low Energy
Efficient power consumption for extended use
Long Battery Life
3-5 years of operation on a single charge
Product Dimensions
Precise Measurements
70.4mm
Width
34.7mm
Height
13.6mm
Depth
Display Size
2.1-inch E-ink display with 250x122 pixel resolution

Benefits
Enhanced Visual Impact
Tricolor display for eye-catching promotions and clear pricing information.
Improved Customer Experience
Clear and up-to-date information ensures transparency and trust at the shelf.
Operational Efficiency
Automate pricing updates and reduce manual workload, allowing staff to focus on customer service.
Cost Savings & Sustainability
Reduce the need for printed labels, lowering waste and environmental footprint.
Ideal Applications
Retail Stores
Dynamic pricing and promotions for various products
Supermarkets
Efficient management of large-scale pricing systems
Warehouses
Inventory management and product identification
Electronics Stores
Detailed product information display
Simplified, Powerful, and Efficient
With the Integrate SmartTag Controller, no software installation is required—the system operates directly via your browser. Enjoy hassle-free setup and powerful performance with:
Multi-function Integration
Combining data processing, routing, and transmission into one efficient device.
Direct ERP Connectivity
Seamlessly integrates with your ERP system for real-time data synchronization.
Browser-Based Interface
Simplifies management and reduces IT overhead.
Effortless Scalability
Supports multiple ESLs without performance degradation.
Streamline your operations with the simplicity and power of the Integrate SmartTag Controller

Technical Specifications
Feature | Specification |
---|---|
Part Number | SMARTTAG_E21R_V4 |
Dimensions | 2.76in x 1.37in x 0.54in (70x34.7x13.6mm) |
Screen Size | 2.1 inches |
Display Technology | E-ink |
Resolution | 250x122 pixels |
Pixel Colors | Black, White, Red |
Operating Temperature | 0-50°C (32°F - 122°F) |
Product Weight | 32.5g (0.07 lb) |
Battery | 1200mAh (CR2450*2) |
Battery Life | 3-5 years |
ESL Operating Frequency | 2.4GHz |
Communication Range | 30 m |
DIY Stencil Design | Available |
Supported Content Formats | Text, Image, QR Code, Barcode |
Connectivity | Wi-Fi for stable and fast data transmission |
Viewing angle | Nearly 180° |
Active display area | 0.93in(H) x 1.91in(V) (23.71(H) x 48.55(V) mm) |
Accessories
SmartTag Family Applications
