
Electronic Shelf Labels

Electronic Shelf Labels (ESL) are transforming how businesses handle pricing, promotions, and inventory management. Offering real-time updates, sustainability, and enhanced operational efficiency, ESLs replace outdated paper labelling with innovative digital displays. ESL Solution provides retailers with the ability to update product information in real time. This innovative system integrates BLE (Bluetooth Low Energy) and Epaper technology to ensure seamless communication between the display system and central servers.
StackIOT provides the best ESL solutions in India, helping businesses transform pricing, promotions, and inventory management with real-time updates. With the fast-growing use of Electronic Shelf Labels, the future of retail is digital, and we’re here to make it seamless and efficient.
What Are Electronic Shelf Labels (ESL)?
ESLs are digital, e-paper-based display units designed to replace traditional paper price tags. They are wirelessly connected to a centralized system, enabling seamless, real-time updates

Key Features of ESL Systems

1. Real-Time Price Updates
Update prices and promotions instantly across multiple locations, reducing errors and manual effort.

2. E-Paper Technology
o High-contrast, easy-to-read display mimicking paper.
o Clear visibility under various lighting conditions.
o Extended battery life with power consumption only during updates.

3. BLE Connectivity
- Stable communication between ESL units and AP Gateway
- Low-power operations for longer device life.

4. Centralised Control
- Control and Manage Thousands of Labels for multiple stores from a single location.
- Monitor Remotely from anywhere in the world

5. Customizable Layouts
- Display prices, barcodes, QR codes, and branding elements.
- Tailor layouts to suit marketing needs.

6. Durable and Eco-Friendly
- Robust design for retail and warehouse environments.
- Reduces paper and ink usage, supporting sustainability.

Components of ESL System

ESL Display Labels |
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High-resolution display, low power consumption, and customizable sizes. |
Display product prices, promotions, stock levels, and QR codes for enhanced customer engagement. |

ESL Gateway |
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Long-range connectivity, support for BLE or proprietary protocols, and multi-tag handling. |
Transmits data updates to tags and ensures synchronization with the central system. |

ESL Management Software |
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User-friendly interface, real-time data integration, and inventory management tools. |
Syncs with the store’s database or ERP system to dynamically update prices and stock information. |

Applications of ESL Technology

1. Retail Stores
- Automate price changes in grocery aisles and apparel sections.
- Display promotions and product-specific details.
2. Warehousing
- Display stock levels and picking instructions for efficient order fulfilment.
3. Specialty Retail
- Highlight details such as expiry dates in pharmacies or technical specifications in electronics
stores.

Benefits of ESL Technology

● Enhanced Efficiency
Reduce manual tasks, allowing staff to focus on customer service.
● Improved Customer Experience
Clear, accurate labels enable informed purchases. QR codes offer additional product details.
● Cost-Effective and Sustainable
Long-term savings by reducing paper and labour costs while aligning with eco-friendly practices.

How ESL Systems Work?

1. Central Management Software
Remotely control all ESL units via cloud or on-premises systems.
2. Ble Communication
Updates are securely sent to ESL units via BLE through the ESL Gateway
3. Energy-Efficient Displays
E-paper ensures minimal energy usage, consuming power only during updates.
Additional Information – Electronic shelf Labels (ESL)

Why Choose StackIOT for ESL Solutions?

At StackIOT, we offer advanced ESL solutions tailored to your business needs. Experience:
● Cutting-edge technology
● Reliability and sustainability
● Enhanced operational efficiency
Transform your retail and warehouse operations today
ESL: Revolutionizing Retail Pricing & Efficiency

In the fast-paced world of retail today, pricing accuracy, inventory management, and customer experience are three critical factors that determine the success of a store. ESLs are a modern solution to update prices automatically, eliminating the inefficiencies of traditional paper tags. ESLs employ E-ink technology, low-energy wireless communication, and seamless POS integration in revolutionizing the management of retail pricing
How Electronic Shelf Labels Improve Retail Efficiency ?

Managing price across different products and locations is a very challenging task for retailers. Updating prices manually is not only time-consuming and resource-intensive but also results in inconsistency, which has a negative impact on customer trust. ESLs ensure a centralized pricing system with accuracy and efficiency in real-time.
- Key Advantages of ESL in Retail Efficiency:
- Automated Price Updates – All changes are done centrally and then displayed on all shelves.
- Reduced Labor Costs – Staff will no longer need to replace paper price tags manually.
- Minimized Pricing Errors – It ensures that there are no mistakes with pricing, hence losses due to incorrect discounts.
- Seamless Integration with POS – Prices are always consistent on the digital and in store platforms.
- Real-Time Inventory Tracking – Automatically update the availability of stocks to reduce the number of out-of-stocks.
Using ESLs will help retailers free up more time for process optimization instead of just re keying repetitive tasks.

- E-Ink Technology & Wireless Price Updating Solutions
Electronic shelf labels make use of E-ink technology, like those in e-readers. E-ink technology is very power-friendly. Since price tags can retain the information on the tags without a constant flow of electricity, this display technology significantly prolongs battery life.
How ESL Technology Works:
- Centralized Management System – Pricing and promotions are controlled from one interface of software.
- Wireless Communication – The prices get updated through Bluetooth, Wi-Fi, or NFC (Near Field Communication).
- E-Ink Display – The prices and product information get displayed with a very low power consumption.
- Battery E6iciency – ESLs can last up to 5-10 years before they have to be replaced.
This wireless connectivity and e-ink display makes ESLs very practical and affordable for retailers, regardless of the size of the business.
- Improving Customer Experience through Electronic Shelf Labels
The expectations of modern shoppers are to find convenience and a personalized experience at a store. ESLs facilitate a seamless shopping experience by offering real-time product information, dynamic pricing, and interactive features.
How ESLs Enhance Shopping Experience:
- Proximity Marketing – E-Price tags can cause individualized o>ers when a customer approaches a product.
- Contactless Shopping & Self-Checkout – ESLs that are mobile friendly enable customers to scan and pay from their phone.
- Interactive Displays – NFC-enabled e-price tags carry additional product information when clicked on with a smartphone.
- Clarity & Readability – E-ink displays guarantee that the price and promotions show up clear and readable in all light conditions.
ESL technology results in not only streamlined pricing but also higher consumer interaction and satisfaction for retailers.
- ESL Business Value: Cost Savings and Sustainability
ESLs are a shrewd investment for vision-minded retailers because they produce considerable financial and environmental savings.
Cost Savings & Business Benefits:
- Manual Labor Costs Decrease – No longer do people spend hours manually replacing thousands of paper price tags.
- Eliminates Di6erent Pricing – Minimizes customer complaints regarding stale or inaccurate price.
- Same Day Competitive Price Changes – Allows competitive pricing to keep pace with Internet retailers.
- Lower Print Cost – Saves the cost of paper, ink, and repeated print time.
Among the above sustainability benefits include:
- Fewer used paper signs – Avoids billions of paper stickers used and thrown away each year.
- Lower Carbon Emission – Fewer shipments of paper signs and the associated emissions.
- Long-Lasting Digital Labels – ESLs have a life of several years, not like disposable paper tags.
Switching to digital price labels saves retailers from the environmental impact while also saving money in the long run.

- Integration with Retail Management Systems & Data Analytics
One of the key benefits of ESLs is that they can be easily integrated with point-of-sale (POS) systems and inventory management platforms.
Benefits of ESL System Integration
- Sync with POS & ERP Systems: Synchronization to maintain the price at physical stores and online platforms.
- Real-Time Data Analytics: Allows price point trend analysis, sales performance, and customer behavior.
- Improved Inventory Management: Prevents stockouts by showing real-time product availability.
- AI-Driven Pricing Strategies: Retailers use historical data to optimize promotions and discount timing.
With ESLs, companies obtain real-time analytics, which makes it possible for them to have data-driven decision-making and improvement in profitability.
- ESL Applications in Retail
ESLs are so versatile and ideal for use in different retail markets. Here’s how they work in various markets:
Supermarkets & Grocery Stores
- Dynamic Pricing for Perishable Goods – Changes discount percentages for items near expiration dates in order to not waste them
- Real-Time Price Adjustments – Changes prices on the fly when competitors change prices or demand spikes
Electronics & Apparel Stores
- Product Details – Shows technical details, customer reviews, and comparisons.
- Shopping Experience – ESLs can be scanned to show product videos or availability in different sizes.
Pharmacies & Specialty Stores
- Regulatory Compliance – Automatically updates medical pricing and information based on government policies.
- Better Customer Support – Detailed product benefits, usage, and possible side effects are displayed.
No matter the industry, ESLs boost operational efficiency and enhance the shopping experience.
- Challenges & Implementation Ensure ESL will be a success
Though ESLs come with much advantage, successful execution is a factor of maintaining the potential.
Challenges & Solutions:
- Initial investment cost ESL saves over a long time in contrast to the costs incurred.
- Training for employees – Retailers must train their employees on managing & troubleshooting digital price tags.
- Scalability Considerations – Select an ESL provider who offers solutions apt for small and large enterprises alike.
Adoption of ESL in any retail environment can be hassle-free and greatly rewarding with right planning and implementation.
Why Choose StackIOT for Your ESL Needs?
We, at StackIOT, are specialized electronic shelf label service providers who design scalable, high-performance ESL solutions that seamlessly fit into your retail systems. Our ESL solutions have been designed to:
- Automate price updates and eliminate manual errors
- Enhance customer experience with interactive digital pricing
- Reduce operational costs and improve sustainability
- O>er real-time analytics for smarter business decisions
Transform Your Retail Operations Today! Embrace the future of retail pricing with StackIOT’s electronic shelf labels. Contact us to learn how ESL technology can optimize your store’s efficiency and profitability.
Digital Price Tags: A Smarter Way to Manage Pricing
Digital price tags are revolutionizing the way retailers manage product pricing and inventory. Unlike traditional paper tags, these electronic labels offer real-time updates and reduce the risk of pricing errors.
Types of Digital Price Tags
-
Electronic Shelf Labels (ESLs)
- Display real-time pricing and product details.
- Can be updated remotely through a central system.
- Available in e-paper or LCD formats for better visibility.
-
RFID-Based Price Tags
- Use radio-frequency identification for seamless price adjustments.
- Help in tracking stock levels efficiently.
- Ideal for large retail environments.
-
NFC-Enabled Price Tags
- Allow customers to access product details via smartphones.
- Support contactless interactions and promotions.
- Improve customer engagement by offering additional product insights.
Key Benefits of Digital Price Tags
- Instant Price Updates – Change prices across multiple locations without manual effort.
- Reduced Pricing Errors – Minimize mistakes caused by manual price changes.
- Cost-Effective – Save on printing costs and labor required for paper tags.
- Better Stock Management – Sync with inventory systems for accurate stock tracking.
- Enhanced Customer Experience – Provide clear, up-to-date pricing and promotions.
Retailers using digital price tags can ensure better pricing accuracy and operational efficiency while reducing unnecessary costs
FAQ's
Electronic shelf labels (ESLs) typically last between 5 to 10 years, depending on usage, battery type, and environmental factors. High-quality ESLs with e-ink displays and energy-efficient technologies can maximize lifespan. Regular maintenance, software updates, and optimal environmental conditions, such as avoiding excessive heat or humidity, can further enhance their durability and performance.
The primary benefits of ESLs in retail include real-time price updates, reduced labor costs associated with manual labeling, increased pricing accuracy, and enhanced store efficiency. ESLs also enable dynamic pricing, improve inventory management, and provide better customer experiences by offering up-to-date product information, promotions, and discounts directly on the shelves.
ESLs reduce operational costs by automating price changes, minimizing the need for manual labor, and decreasing paper and printing expenses. They also reduce pricing errors and the associated costs of incorrect labels or customer disputes. The efficiency of ESLs streamlines store operations, allowing staff to focus on more value-added tasks like customer service and inventory management.
Yes, ESLs can be seamlessly integrated with existing inventory management systems through APIs or middleware. This integration allows real-time updates for pricing, stock levels, and promotional campaigns. Retailers can efficiently manage inventory, synchronize data across platforms, and ensure consistent information for both in-store and online customers, leading to better inventory control and sales strategies.
ESLs enhance the shopping experience by providing accurate, real-time product information, promotions, and pricing directly on the shelf. They enable quicker price adjustments and dynamic promotions, offering customers the latest deals. This reduces confusion and enhances trust in pricing. Additionally, ESLs can display additional information, such as nutritional facts or product origins, helping customers make informed purchasing decisions


Electronic shelf labels (ESLs) are digital displays that can be placed on your shelves or counters. They can be used to display prices, best before dates, and other information. ESLs are easy to use and can be updated remotely. This means that you can change your prices and best before dates without having to go into your store.
ESLs connect to a central database through a wireless network, allowing retailers to update prices and product information in real-time across multiple locations with just a few clicks.

WHY ELECTRONIC SHELF LABELS

- Digitalizing Retail Shop Industry
- Easy & Efficient Way of Price Management
- Display not just prices but Discount, Warranty,
- Product Specifications, QR Code
- Real Time Targeted Promotional Offers
- Dynamic Price Updates across multiple Stores
- Enhance Customer Shopping Experience
- Reduces Paper Wastage, Printing Costs, Human Errors
- Sticker Hassles

CONVENIENCE STORES
COMMODITY SHELF LABEL
- Price
- Package Weight
- Pack Info
- Discount Offer
- Bar Code / Serial Number

CONVENIENCE STORE /WINE SHOP
DRINKS SHELF LABEL
- price
- Package Volume
- Product Photo
- Discount Offer
- QR Code (Product Information)

CONFECTIONERY STORES
SWEETS SHELF LABEL
- Price
- Best Before Date
- Ingredients
- Restaurant Specialty

Technical Information ESL Display
- 2.13” Display (Resolution 250 x 128 pixels)
- Wireless (BLE) Connectivity
- Colors: Red / Black / White
- 5 Year Battery Life
- Built-in Led Status Indicator
- Light Weight (32 g)

APPAREL & FOOTWEAR STORES
PRODUCT SHELF LABEL
- Product Information
- Original Price / Sale Price
- Discount Sale
- Material Quality
- Available Sizes
- Bar Code/ Serial Number

GROCERY STORES
VEGETABLES/ FRUITS SHELF LABEL
- Original Price / Discount Price
- Package Weight / Qty
- Product Photo
- Product Information
- Product Quality Rating
SYSTEM DESIGN

- Centralized Display Management Software
- Secured Data Transmission
- Pre-stored & Customizable Display Template
- Display – Gateway Range (10–15 meter)