1. 1.2.13 inch E-Paper HATand for Raspberry Pi, Jetson Nano, Onboard high-precision RTC chip for accurate time control 2. Optimized PCB layout with additional mounting holes for fixing screws. Adopts Immersion Gold process, anti-oxidation and anti-corrosion, enhances soldering performance and improves electrical properties, with better durability and reliability to meet various applications 3. Adopts Raspberry Pi HATand standard to improve interoperability, helping the users to design and develop faster, easy to use with other peripherals and extend more functions for Raspberry Pi 4. Comes with online development resources and manual: driver board circuit diagram, examples for Raspberry Pi OS / Jetson Nano, etc. and provides pwnagotchi porting tutorial Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.