Description: DC Powered ESP32 Dual Relay Development Board: Equipped with ESP32-WROOM-32E module, supports DC5-60V power supply, suitable for ESP32 secondary development learning and smart home wireless control Full I/O Port -out: Onboard ESP32 module with 100 programmable buttons, reset button, 2 5V relays, output switch signal, 1 programmable LED and relay indicator for easy control Dual WiFi Bluetooth Relay Module: Features dual WiFi and Bluetooth connectivity for seamless wireless control in various occasions, ensuring a stable and reliable performance Supports DC5-60V Power Supply: With a wide range of power supply support, this ESP32 dual relay module offers flexibility in different power input environments for Smart Home Wireless Control: for smart home applications, this dual relay module provides easy remote control using WiFi and Bluetooth connections, making everyday life more convenient Specification: Color: blue. Material: PCB. Size: Approx 7.43*4.8*1.8CM/2.93*1.89*0.71inch. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: 1* Dual-channel wifi relay module