the ESP32 WiFi & Bluetooth Development Board, perfect for smart home applications and IoT projects. This board is powered directly by AC 220V and features dual relay outputs, making it ideal for high-level professional and educational use. Equipped with the robust ESP32-WROOM-32E module, boasting 4M BYTE FLASH. Complete access to I/O ports and a UART programming port for seamless secondary development. Integrated AC-DC power module, supporting a wide range of input voltages from AC90-250V. Includes essential development features like an ESP32 module reset button and a programmable IO0 button. Compatible with for IDE for development, complete with sample programs available in the for environment Two 5V relays capable of handling loads up to AC 250V/DC30V. Features a programmable LED and two relay indicator lights for better monitoring of operations Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: Blue Material: PCB Package Contents: 2 x 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.