4-inch color ink screen work card: effect picture display

4-inch Color E-Ink Work Card
Vivid Display, Sustainable Efficiency

Key Features:

Crisp Color Performance

4-inch E-Ink Screen: Offers a paper-like viewing experience with low glare, ideal for prolonged use in office or industrial environments.

Multi-Color Support: Black, white, red, and yellow tones for clear visual hierarchy and dynamic information display

Ultra-Low Power Consumption

Battery-Free or Long-Lasting: Leverage NFC-powered technology (similar to 2.9-inch models) or extended battery life to maintain content without frequent charging

Durable & Customizable Design

Anti-Glare & Scratch-Resistant: Hard-coated surface ensures readability under bright lighting and resists wear in rugged settings

Modular Customization: Tailor the frame, interface, or firmware to match workflow requirements (e.g., RFID integration, logo branding)

Seamless Content Management

Wireless Updates: Refresh content via smartphone app or NFC, enabling real-time adjustments for schedules, task lists, or safety alerts

Wide Compatibility: SPI/RGB interfaces ensure integration with IoT systems, Raspberry Pi, or industrial controllers1.

Environmentally Friendly

Paperless Solution: Reduce paper waste and carbon footprint while maintaining readability in sunlight or dim conditions.

Example Application Scenarios:

Smart Factories: Display real-time production metrics or safety protocols.

Healthcare: Patient ID cards with dynamic status updates.

Retail: Employee badges with shift schedules and access permissions.

Technical Specs (Hypothetical, Based on Similar Products):

Resolution: 480×480 pixels (sharp text/graphics).

Operating Temp: -20°C to +70°C (suitable for harsh environments).