Features: The Programmable Relays Module 8 Channel with BLE Development Board is equipped with the powerful 32E module, offering seamlessly integration for Intelligent control and secondary development projects. This board includes all port and supports DC5-30V power, making it for various applications with AC250V and DC30V load control capabilities. For developers and enthusiasts, this module is perfect for those to explore secondary development or enhances their Intelligent home systems. Suitable for Intelligent home automation, educational projects, and industrial applications, this Relays module provides reliable performances and flexibility in diversed environment. With onboards programmable, a resetting button, and indicator LEDs, this development board ensures intuitived user experience, facilitating efficient project execution. Specifications: Item: WIFI Relays Module Support 8 Channel with BLE Development Board Support -WROOM-32E and BLE Module Size:about 148x79.8mm/5.82x3.14in Support DC5-30V Package Includes: 1Set WIFI Relays Module note: Due to the problemsof lighting effect, there will be tolerances in product, please understand. Please allow 0-1cm error due to manual measurement