ESP32 Dual-Core Processor: Built-in high-performance ESP32 MCU with dual-core processing capability, suitable for complex IoT, automation, and control projects. Integrated 3D Antenna with WiFi: On-board 3D antenna ensures strong and stable 2.4GHz WiFi connection, enhancing wireless communication reliability for IoT devices. Compact and Lightweight Design: Ultra-small form factor makes it easy to embed into space-constrained projects, wearable devices, and portable gadgets. Rich Expansion Possibilities: Equipped with GPIO pins and expansion interfaces for connecting sensors, actuators, displays, and other modules. USB Type-C Interface: Simple power supply and data transmission through a single USB Type-C cable, supporting programming and firmware updates. On-board Programmable RGB LED enables status indication, light effects, and visual feedback for your projects. Ideal for IoT Applications: Perfect for smart home control, environmental monitoring, data collection, and remote control systems. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Color: As Shown Material: ABS Package Contents: 3*ATOM Lite 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.