Features: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 le than 1W static current 80MA.4. Supports wirele 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:Style 1:Input voltage: DC 5V or Type-C-5vMaximum power: 2200W/10AWirele frequency: WiFi 2.4GHz b/g/n+BluetoothWorking temperature: -20~70 Size specification: 71 (length) * 31 (width) * 19 (height) mm Style 2:Input voltage: DC7-32V or type-C-5VMaximum power: 2200W/10AWirele frequency: WiFi 2.4GHz b/g/n+BluetoothWorking temperature: -20~70Size specification: 69 (length) * 41 (width) * 20 (height) mm Please check the following items before using this device:1. Your smartphone or tablet is connected to a 2.4G WiFi that can acce 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 acce the app store and download the app when using an Apple phone or iPad.5. If your wirele router has set up MAC addre filtering, please first enter the router background and turn off the MAC filtering function. Product Instructions: Search for "Ewelink" download and installation in major application markets. If there are permiion requests during the installation proce, please select Allow. Register an account and log in to Ewelink. Connect the wires correctly according to the schematic diagram. 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 the app. Note: The switching principle of this device is to control the on/off of the live wire in the circuit, thereby achieving the operation and stop of the electrical appliance. Add device: Reset the device (if the network indicator light (blue light) is already in a fast flashing state after power on (flashing 3 times and stopping 1 time), skip this step.) Power on the device Long pre and hold the network pairing button for about 5 seconds until the network indicator light (blue light) flashes quickly for 3 times and stops for 1 time, to proceed with the distribution of the Easy WeChat app. Package include:1X module1X Specification