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 or gandBluetooth, 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 of household appliances. Parameters:Input voltage: DC 5V or Type-C-5v Maximum power: 2200W or 10A Wireless frequency: WiFi 2.4GHz b or gandBluetooth Working temperature: -20-70 Colour:green Material:PCBandComponents 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 to access the and download the app when using an for phone or . 5. If your wireless router has set up address filtering, please first enter the router background and turn off the filtering function. Product Instructions: Search for "" download and installation in major application markets. 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 inthe app Due to different product batches, the appearance , which does not affect the use Package Contents: 1 x module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.