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, with 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, can be timed, delayed, and shared devices support multiple people controlling together or one person controlling multiple switches. 5. It has a wide range of applications and can be applied to smart homes, WiFi control, short distance remote control, etc. It can be connected to different 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: -20℃-70 ℃ Colour:green Material:PCB+Components Please check the following items before using this device: 1. Your smartphone or tablet is connected to a 2.4G WiFi that can access the internet (5G WiFi is currently not supported). 2. Turn on Bluetooth on your phone. 3. For phones or tablets using the Android system, the system must be version 4.0 or higher. 4. You must be able to access the app store and download the app when using an for Apple phone or iPad. 5. If your wireless router has set up MAC address filtering, please first enter the router background and turn off the MAC filtering function. Product Instructions: ① Search for "Ewelink" download and installation in major application markets. ② Connect the wires correctly according to the schematic diagram. ③ Power on after completing the wiring. The device defaults to off for incoming calls and can be changed to on or off for incoming calls in