2.9″ E-ink Display Tag
KESL029C(R) series ESL tags with high definition displays can be adapted to any sales scenarios. It supports text, promotion, QR code or barcode and can be reused with no paper required. It can be used for different application, such as the retails, warehouses and logistics management etc.
KESL’s platform is a complete hardware-software system combining Bluetooth5.0 wireless communication and ESL tags, in-store navigation, ultra-low power displays, merchandising supports and tools and server infrastructure (cloud, chain-store or in-store). KESL’s platform is open to the third-party technologies and enables interconnection with any situation software or system. It offers the flexibility you need to anticipate and overcome any challenge.
No light pollution
Black, White, Red, Yellow color available Li-Ion Batteries
Bluetooth 4.0 wireless communication 400×300 pixels full graphic, E-Paper displays Cloud or local Server based options
2.9 inch Electronic Shelf Label
2.9 inch (diagonal)
External (W x H x D) Visible screen area (W x H)
66.9 x 29.0mm
296 x 128 (37,888)
Dots per inch (DPI)
Black and white Colors
Bi-stable EPD(E-ink Display)
Black, white and Red Colors
Bi-stable EPD(E-ink Display)
Landscape or Portrait
Standard unit available with white frame
Unit identifier barcode
Recognized by Scanner or Labeling on back
Operating temperature Range
0°C to 50°C, +32°F to 122°F
Storage temperature range
-20°C to 70°C, -4°F to 158°F
Supported by multiple fitting options – stands, adapters, individual long-length shelf-rails. Additional specialist fittings also available upon request.
3 ~ 5years(3 times refresh per day)
Yes (MOQ applies)
3.2 Access Point (AP)
2.4G BLE5.0/BLE4.0 wireless
Number of KGateway1C Cover
Each covers 500 ESLs
173.0 x 90.0 x 56.9mm
-10°C ~ + 60°C
DC +5.0V or POE
Port to Server
WIFI or Ethernet cable
3.3 Shelf Rail and Dismounting tool
Standard unit available with white shelf rails
Width x 40mm
The length of Rail is flexible, up to the customer
Fixing hole pitch
Theft proof function available
Dismounting tool available
Shelf Rails colours available
Yes (MOQ applies)
4. Product Series
Frame Color: White Pixel Color: Black, White
Frame Color: White
Pixel Color: Black, White, Red
5. Why KESL Label?
• ESL Cloud system is a cloud server based complete solution with hardware and auto-
• All ESL tags can be controlled anytime and anywhere with cloud server.
• All data can be shared on the cloud.
• We can provide API interface to the third- party, whom can strengthen management
ability by embedding our ESL into their own system, and providing more powerful, flexible and competitive solution to end customers.
• Combine ERP with ESL perfectly to make
products more competitive.
Bluetooth beacon function
• It can set and record the location of different commodities to facilitate the management.
Error is less than 1m.
• Can expand new functions by developing APP. For example, APP will choose the best way
and guide customers to the commodities that they are searching for.
• High Contrast: Use E-paper display with black and red on ‘paper-white’ background.
• Near 180° viewing angle with excellent
readability, compare to CH LCD ESL:
Custom-made Template design
• It’s easy to edit and create display templates.
• You can use any font in your system. It also
enable any combination of text and images including QR code, Bar code, logos, pictures, etc.
• Negative explicit mode and special symbols
• ESLs available in a range of different sizes and specifications to suit all requirements across an
entire retail estate.
• Monitoring. It will give a warning when it is out of power or be stolen.
• It can be customized with many functions to
enhance customers’ experience.
How many ESLs can be managed？
It is no limit. But it will affect the updating speed if there are too many labels to be managed, We suggest each KESLGateway/base station manage 1000 ESLs.
Can I make custom content display on the ESLs?
Yes, we will provide the development kit. The development kit includes the instruction&tools to create the content, source code of these tools, and API.
How to establish relationship between ESL and AP？
You don’t have to establish the relationship between ESL and AP. You just need to follow the instruction and implement the AP to your platform/software.
Is there a solution that can indicate the discount for customers with a certain distance?
Yes, there is. For example, we can provide both ESL with LED light and with RED Color.
Can I use phone App instead of AP?
Yes, you can use phone App or other Bluetooth device (such as Raspberry pi) which support BLE4.0/5.0.
What’s the next after I bought the ESL system?
We provide API, demo and tools to create display template and implement to your own software/plaftorm.