Waveshare 4.26inch E-Paper Display 800 × 480 Resolution Red/Yellow/Black/White, The Raw Display Only, With Driver Board Option:The Raw Display Only both USB to RS485/RS422 and

both USB to RS485/RS422 and RS485/RS422 to USB

Build-in digital amplifier for enhanced audio quality

just a single charge to illuminate your space

rechargeable and economical and durable

suitable for walking dogs at night and better for special people

Waveshare 4.26inch E-Paper Display 800 × 480 Resolution Red/Yellow/Black/White, The Raw Display Only, With Driver Board Option:The Raw Display Only both USB to RS485/RS422 and1. No backlight, keeps displaying last content for a long time even when power down 2. Ultra low power consumption, basically power is only required for refreshing 3. Comes with online development resources and manual (driver board schematic diagram and examples for Raspberry Pi Jetson Nano Arduino STM32 ESP32, etc.) Optional for e Paper driver board: 1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi and Jetson Nano series