Stamp-S3A core controller for advanced processing capabilities 56-key keyboard for enhanced user interaction 1.14" LCD display for clear visual output 160gf comfortable keypress feel for improved typing experience Multiple connectivity options including microSD card slot, Grove port, and expansion bus for versatile applications Built-in 1750mAh Li-ion battery for extended usage time. Magnetic back design for easy attachment and stability. LEGO hole compatible for creative projects. Development platforms supported include Arduino, UiFlow2, ESP-IDF, and PlatformIO. Ideal for rapid prototyping, industrial control, automation, embedded systems development, and wireless communication and IoT projects. Color: As Shown Material: ABS Package Contents: 1*Cardputer Adv 1*LoRa1262 Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.