Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ Specifications: 1 way/2 way/4 way _x005f_x000D_ Input voltage: 5V DC _x005f_x000D_ Relay type: 5V relay _x005f_x000D_ Maximum load current: 10A _x005f_x000D_ Control method: Support Wi-Fi network remote control _x005f_x000D_ Communication protocol: Support TCP/IP protocol _x005f_x000D_ Development environment: Based on for Arduino _x005f_x000D_ Size: 1 way: 45*28*17MM/1.77x1.1x0.67 inch 19g _x005f_x000D_            2 way: 59*40*17MM/2.32x1.57x0.67 inch 36g _x005f_x000D_            4 channels: 64*60*17MM/2.52x2.36x0.67 inch 61g _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x ESP8266WiFi relay (1ch/2ch/4ch) 1. Wireless Remote Control: Our product allows for remote control of relay switch states through a WiFi network, making it a key component for smart homes and IoT applications. Stay connected and in control of your devices from anywhere with ease. 2.Integrated Convenience,Versatile Output Options: This compact module integrates WiFi communication and relay output functions, saving you the hassle of additional hardware and circuit design. Use popular development environments like for Arduino IDE for programming, benefiting from abundant open-source resources and community support.Choose between single or multiple relay outputs to meet the diverse needs of different application scenarios. Enjoy flexibility and adaptability in your projects. 3.Strong Compatibility: Our product is compatible with other ESP8266 modules, sensors, and expansion boards, allowing seamless integration with various devices and platforms. Expand your possibilities and create a truly connected environment. 4. Energy Efficiency and Safety: With its low power design, our product saves energy and extends the lifespan of the relay and module. It also supports secure authentication and encryption mechanisms, ensuring the safety of remote control and data protection. 5. Programmability and Flexibility: Unlock automation possibilities by programming tasks such as scheduled triggers, sensor-based triggers, and conditional triggers. Customize your control experience and empower your creativity with ease.