Compatible with ESP-IDF development environment and IDE for versatile programming options.Supports a wide voltage input range of DC 5-60V, making it suitable for applications.Equipped with a 5V-10A relay for reliable control of high-power devices.Reserved UART pin allows for easy integration and expansion of functionalities.Programming can be done via USB or UART, providing flexibility in development.This product is designed for developers looking for a robust and flexible solution for their projects. With compatibility for both ESP-IDF and IDE, it allows for a wide range of programming options. The device supports a voltage input range of DC 5-60V, making it adaptable to different power requirements. The inclusion of a 5V-10A relay ensures reliable control over high-power devices, while the reserved UART pin facilitates easy integration with other components. Additionally, the dual programming methods via USB and UART enhance the development experience, making it a versatile choice for applications.Color: BlueMaterial: PCBPackage Contents:1* Bluetooth Single-Channel Relay ModuleOnly 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.