IoT E-ink Display


IoT E-ink Display
Going Paperless for More Efficient and
Sustainable Operations

  • Bigger E-ink Screen Featuring Red/White/Black Color Display
  • Customized Templates in Multiple Modules and Languages
  • Low Power Consumption with up to 5 Years Battery Life
  • Open API and a LoRaWAN® Button Enable Various Applications
  • Support Local and Remote Control for Bulk Deployment

Make Business Smarter and Greener with E-ink Technology

Excellent Readability on

4.2-Inch Screen with Three Pigment Ink System

E-Ink digital paper is a form of ink made from micro-particles in a thin film layer.

  • Flexible, Shatterproof and Light 4.2 Inches Screen
  • Bi-stable EPD (E-ink Display) Black, White and Red Colors
  • 400 × 300 Pixels Display with Near 180° Viewing Angle


Achieve Energy-Saving Operations Effortlessly

The e-ink display is bistable, which allows the image on the e-ink screen to be retained even when all power is removed.

  • Can Be Reused with No Paper Required
  • Does Not Consume Any Battery When Left Idle
  • Avoid Disturbing Light Pollution in the Environment

Customized Templates
for the Scenarios
You Most Frequently Employ

  • Text, Image and QR Code Are Offered and Customizable
  • Multi-Functional Button Featuring LoRaWAN® Technology Optional
  • Pre-customized Templates Are Flexible for Different Scenarios,
    Such as Workplace, Hotel, Hospital, Retail Store, Etc.

150 Languages Available for User-Friendly Usage

Up to 150 Languages Including English, Spanish, French, Japanese, Portuguese, Chinese (Simplified & Traditional), etc. (Exclude Hebrew, Arabic & Thai).

* Contact Milesight team to check the languages supported

Install to Unlock a Greener and More Productive Workplace

Two factory prefabricated templates are offered by Milesight, hot desk reservation and workplace display signage, which are perfect for your turnkey smart office solutions.

  • Clearer Booking System for Employees
  • Real-Time Information for Building Managers
  • Occupancy Metrics for Facility Managers


Provide API for Easy Software Integration

It’s time to turn technology component into a digital signage solution that meets your specific need.

  • Clearer Booking System for Employees
  • Real-Time Information for Building Managers
  • Occupancy Metrics for Facility Managers 

Multi-Year Battery Operation

DS3604 has a battery life of up to 5 years

*3 × 590mAh CR2450 Lithium Batteries
** The battery life will be shortened if the device works within 0~10°C for a long time.


Practical and Easy Management and Maintenances

  • Support Multicast Feature for Remote Configurations in Bulk
  • Remote and Local Quick Modification of the Displayed Content

The Waves of Modern Operations in Various Scenarios

  • Offices
  • Library
  • Laboratory
  • Hospital
  • Retail Stores
  • Warehouses 


Energy Efficiency Solution

Everything from the way we operate to what we consume is moving toward more energy-efficient ways. Check how Milesight sensing products can help you.


LoRaWAN® Based

  • Penetrating Signals: data transmission range up to 2 km in urban areas and 15 km in rural areas
  • High Compatibility: compliant with standard LoRaWAN® gateways and network servers


Cloud Data Management
Milesight IoT Cloud

Coming Soon

Data Visualization Dashboard:
All figures in a glance

Automatic Triggers:
Interactive collaboration with Milesight IoT sensors to realize scene-based automation

Regular Reports & Real-Time Alerts:
Data-based insights

Android & iOS App:
Manage devices at your fingertips

NFC Configuration

Switching On/Off & Configuring the Devices Wirelessly

1st Step
Install the Milesight ToolBox


2nd Step
Enable NFC and run Toolbox,
Attach your phone to the device

3rd Step
Verify the password and start configuring.

Flexible Installation



Wireless Transmission Technology LoRaWAN®
Frequency Band CN470/IN865/EU868/RU864/US915/AU915/KR920/AS923-1&2&3&4
Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity -137dBm
Mode OTAA/ABP Class A/Class B ( Default OTAA Class B)
E-ink Screen 4.2-inch Black & White & Red E-Ink Screen
Resolution 400 x 300 Pixels
DPI 119
Viewing Angle 180°
Refresh Rate 16s (10 – 40°C)
Display Character Latin alphabet, English alphabet, Cyrillic alphabet, Greek alphabet, Chinese character, Japanese character, and Hangul
Display Languages Support Displaying up to 150 Languages Including English, Chinese (Simplified & Traditional) , Spanish, French, Japanese, Portuguese, etc. (Exclude Hebrew, Arabic & Thai)
Operation Button 1 x Reset Button (Internal) + 1 x Screen Button
Buzzer 1 x Buzzer
Configuration NFC Configuration via Mobile App
Physical Characteristics Power Supply 3 × 590mAh CR2450 Lithium Batteries
Battery Life Around 5 Years (Class A Mode + 1 Screen Refresh per Day)
Around 1 Year (Class B Mode + 12 Screen Refreshes per Day)
Operating Temperature 0°C to +40°C (0℉ to +104℉)
Operating Humidity 0% to 95% (non-condensing) below 25°C/77℉
Ingress Protection IP30
Color & Material White, ABS + PC
Dimension 99 × 87 × 10.5 mm (3.90 × 3.43 × 0.41 in)
Installation 3M Tape Mounting, Wall Screw Mounting



DS3604 Datasheet
DS3604 User Guide