Features: The 5V WiFi Module integrates a highly power retransmit for 10A/250VAC load control, enabling seamless smart home automation through programming and stable 802.11 b/g/n wireless connectivity. Featuring overload/short circuit protections and standard interfaces for / integration, this ABS built module supports sensorings expansions while maintaining electrical isolation for enhanced operational safety. Ideal for developers, craft electronics enthusiasts, and smart home integrators seeking customizable wireless control solution for appliances like lights, fans, or HVAC systems. Perfect for remotely managing office equipment, automating household devices via smartphone, or creating industrial prototypes in workshop environments with stable WiFi connectivity. Engineered with developer friendly libraries and pre written code samples, this versatile WiFi retransmit module simplifies project implementation while meeting rigorous electrical safety standards. Specifications: Component: ABS. Size: 45x28x18mm. Weight: 20g. Power supply voltages: 5V. baudrate rate: 9600, 8, 1.0, 0. Package Includes: 1xESP8266 5V WiFi module note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to the monitors.