1. Easy to use, this WiFi control module does not require programming; just download an app and connect to the WiFi to control the built-in cloud, supporting 2.4G remote control. 2. With indicator light, including signal indicator light and relay closing indicator light. 3. Low power consumption; board power consumption less than 1W, static current 80mA. 4. Supports wireless frequency: WiFi 2.4GHz b/g/n + Bluetooth; supports timing, delay, and device sharing for multiple users to control together or one user to control multiple switches. 5. Wide range of applications, suitable for smart homes, WiFi control, short-distance remote control, etc.; compatible with various types and brands of household appliances. Parameters: Input voltage: DC 5V or Type-C 5V Maximum power: 2200W/10A Wireless frequency: WiFi 2.4GHz b/g/n + Bluetooth Working temperature: -20C to 70C Color: Green Material: PCB + Components Please check the following before using this device: 1. Ensure your smartphone or tablet is connected to a 2.4G WiFi network with internet access (5G WiFi is not supported). 2. Turn on Bluetooth on your phone. 3. For Android devices, the system must be version 4.0 or higher. 4. For Apple devices, ensure you can access the app store and download the required app. 5. If your wireless router uses MAC address filtering, disable this function in the router settings before setup. Product Instructions: 1. Search for "Ewelink" in major app stores, download, and install the app. 2. Connect the wires correctly according to the schematic diagram. 3. Power on the device after wiring is complete. The device defaults to off upon power-up; this setting can be changed to on or off in the app. Note: Appearance may vary by product batch, which does not affect functionality.