Features: ESP32 integrates antennas, power amplifiers, low-noise amplifiers, filter, and power management module. This board is a 2.4GHz 2modes WiFi and Bluetooth-compatible low-power technology with wide ranges of secure, reliability, and scalables applications for TSMC 40nm chip, power, and optimals functionality. High cost-effectiveness, small size, easy to embeds into other products, powerful, supported by LwIP protocol, Supports 3modes: using STAand STALUA program support, easy to develop CP2102 USB to UART Specifications: Component:ABS Size:Approx.6.4x2.6cm/2.52x1.02inch Package Includes: 1pc ESP32 Development Board note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.