2.1″ E-ink Display Tag (Bluetooth ESL)

KESL021 series (Bluetooth ESL) E-ink 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, smart production line, etc.

KKM provide a complete hardware-software system combining Bluetooth 5.0 wireless communication and ESL E-ink tags, in-store navigation, ultra-low power displays, merchandising supports and tools and server infrastructure (cloud, chain-store or in-store). KESL’s Bluetooth ESL 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.

KEY FEATURES

Bluetooth 5.0

BLE 5.0 technology, automate your business, proximity marketing, indoor navigation, production line management

Low Power Consumption

BLE low power, ultra long battery life, reduce your maintenance cost

Open API

Open API to integrate to 3rd party software/backend/backend

Convenient & Automative

Manage multi ESLs in different locations by just once click, reduce your labor cost and maintenance cost

Compatible with Gateway & App

Patented algorithm, you can update the ESL display via Gateway, smartphone or other BLE enabled device, such as Raspberry pi

Superior Readability

Near 180° viewing angle, custom display template and content, partial area refresh/update, different picture node play mode

WHAT WE CAN DO

Supermarket Automative Management

You can use one ESL gateway/AP to manage up to 1000 ESLs. It can reduce your lobar cost and maintenance cost by updating all prices in front of PC.

Warehouse Management

Bluetooth e-ink display tag can be used to display the item in warehouse, easily to update the item name, quantity, and etc.

Greatly reduce the labor cost, increase the working efficence.

specifications

2.1 inch Bluetooth ESL (Electronic Shelf Label)

Item	Specification
Model	KESL021C	KESL021R
Screen Size	2.1 inch (diagonal)
Dimension External (W x H x D) Visible screen area (W x H)	74.0×40.0x12.3mm
	48.7×24.5mm
Display Pixels	212 x 104 (22048)
Dots per inch (DPI)	95
Display Type	Black and white Colors Bi-stable EPD(E-ink Display)	Black, white and Red Colors Bi-stable EPD(E-ink Display)
Orientation	Landscape or Portrait
Viewing angle	Near 180°
Appearance	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
Fittings	Supported by multiple fitting options – stands, adapters, individual long-length shelf-rails. Additional specialist fittings also available upon request.
Weight	37g
Communications	2.4G wireless
Battery	2*CR2450 Battery
Work time	3 ~ 5years(3 times refresh per day)
Options Frameoclors available	Yes (MOQ applies)

3.2 Access Point (AP)

Item	Specification
Model	KGateway01C
Communication	2.4G BLE5.0/BLE4.0 wireless
Number of KGateway1C Cover	Each covers 500 ESLs
Covered distance	30m (Radius)
Size	173.0 x 90.0 x 56.9mm
Working Temperature	-10°C ~ + 60°C
Power supply	DC +5.0V or POE
Port to Server	4G, WIFI or Ethernet cable
Installation way	Screw
Waterproof/Dustproof	IP54

3.3 Shelf Rail and Dismounting tool

Item	Specification
Model	KESL-B
Appearance	Standard unit available with white shelf rails
Size	Width x 40mm The length of Rail is flexible, up to the customer
Weight	135g/m
Fixing hole pitch	22mm 0.87”
Theft proof function available	Yes
Dismounting tool available	Yes
Shelf Rails colours available	Yes (MOQ applies)

4. Scenario Application.

5.FAQ：

1.	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.
2.	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.
3.	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.
4.	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.
5.	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.
6.	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.