ESL Blade ZKC43B-N – 4.3" BWR electronic shelf label, NFC, black
Code: ZKNG101Related products
Product detailed description
Electronic shelf label · Blade series
ESL Blade 4.3" – three-colour electronic shelf label
An electronic shelf label – ultra-thin Blade series – with a 4.3" e-paper display (black, white, red). Suited to shelves and stands where more information is needed – ingredients, origin, a promotion or a QR code.
e-paper BWRNFC + LEDreplaceable battery2-year warranty

Why ESL Blade
Shelf display with a medium amount of information.
Slim body
The Blade series has a very slim body and a replaceable battery – the label does not protrude from the shelf or get in the way of goods.
Three display colours
Red highlights promotional prices and discounts. E-paper is easy to read from an angle and only uses power when the content changes.
For integrators and resellers
Labels are managed centrally via a base station and software. NFC allows pairing and checking labels with a PDA right at the shelf.
Why switch from paper labels to electronic ones
Good to know
What you need to run it
The label does not work on its own – a base station (AP) and a software licence are required. Matching components are listed in related products and we are happy to help you design the solution.
LED indicator
The built-in LED can flash to draw customers to a promotion or guide staff to a spot for restocking or picking.
Partner program
For ESL integrators and resellers
Do you deploy electronic shelf labels for your customers or want to connect them to a POS or warehouse system? We help with solution design, licensing and integration.
✓ technical support and integration documentation✓ warranty, service and spare parts in the Czech Republic✓ wholesale prices for partners✓ device demos in our showroom in Brno
Technical specifications
Specifications are subject to change without notice. Images are for illustration only.

ESL Satomar electronic shelf labels (ProfiCenovky) replace paper price tags with e-ink displays updated wirelessly from a central system. Prices across the whole store change in moments – no printing, no manual relabelling – and the shelf price always matches the checkout.
They also work great as identification and information labels in offices, hospitals, warehouses and canteens.
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Why ESL Satomar
A complete electronic shelf label system from a single supplier – labels, base stations, cloud software and mounting accessories. We help with design, installation and integration into your POS or stock system.

Technology in every label
- ✓Bluetooth 5.0 for fast, reliable communication
- ✓Integrated NFC for pairing and mobile operation
- ✓Programmable RGB LED
- ✓Long battery life
- ✓Ultra-fast content updates
- ✓Multi-colour e-ink display

All information in one place
Display sizes from 1.5" to 13.3" cover everything from a small shelf-edge price tag to a large information label with a photo, QR code or allergen list.

Cloud architecture

Standardised and personalised solutions
- ✓Hosted on reliable Satomar servers
- ✓Easy integration for developers (API)
- ✓Simple to use for everyone
- ✓Custom logo and templates
- ✓Fast system response
- ✓Full technical support

ESL Satomar label series
We offer several label series differing in size, design and display colours (black & white, with red or yellow):

What is an electronic shelf label?
An electronic shelf label (ESL, digital price tag) is a small display using e-ink – electronic paper that only consumes power when the image changes. A label therefore lasts for years on one battery and stays readable even at sharp angles.
Each label is linked to a product in the cloud system and updates wirelessly. The system can also switch screens automatically on a schedule – daily, weekly or monthly – and show a QR code, promotional price or allergen list.
- ✓Wide choice of sizes
- ✓Display colour combinations by series
- ✓LED indicator with configurable function (e.g. red = restock)
- ✓Integrated NFC in every label
- ✓Bluetooth 5.0 communication



Tailored solutions for every business



Accessories for every environment
A wide range of holders, clips, rails and stands for shelves, fridges, baskets and counters.






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