2.1″ E-ink Display Tag (Bluetooth ESL)

FEATURES

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.

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.

KESL CONFIGRUATION