Outstanding RF performance:Powerful ESP32-C3 SoC and U.FL antenna provided that supports WiFi/Bluetooth connection over 100m. Enhanced Connectivity:Combines 2.4GHz Wi-Fi 6 (802.11ax), Bluetooth 5(LE), and IEEE 802.15.4 radio connectivity, allowing you to apply the Thread and Zigbee protocols. for Matter Native:Supports building for Matter-compliant smart home projects thanks to its enhanced connectivity, achieving interoperability Security Encrypted on Chip:Powered by ESP32-C6, it brings enhanced encrypted-on-chip security to your smart home projects via secure boot, encryption, and Trusted Execution Environment (TEE) Outstanding RF performance:Has an on-board antenna with up to 80m BLE/Wi-Fi range, while reserving an interface for external UFL antenna Leveraging Power Consumption:Comes with 4 working modes, with the lowest being 15 μA in deep sleep mode, while also supporting lithium battery charge management. Dual RISC-V Processors:Incorporates two 32-bit RISC-V processors, with the high-performance processor running up to 160 MHz, and the low-power processor clocking up to 20 Specification:3Pcs/2Pcs Colour:Black Material:PCB+Metal Package Contents: 3 x ESP32C6 development board / 2 x ESP32C6 development board 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.