1 x SwitchOverview:The wireless switch supports inching /self-locking mode. You can add the device to the APP eWeLink to remote control connected home appliances or devices. In self-locking mode, you can remote turn on/off connected devices immediately. When in inching mode, you have two wiring ways to select, whether turn on 1s and then auto-off or turn off 1s and then auto-on.Application:WiFi Remote Garage Door Opener Controller Work with Alexa & IFTTT Google home.The switch can be applied to access control, turn on PC, garage door, etc.Features: Remote control by APP EweLink for iOS and Android. Supported functions include: remote on/off, timing schedules, device sharing, group management. 5V/ self-lock/inching mode wireless switch There are two working modes for the module: inching mode and self-locking mode. Press the self-lock/inching mode button to switch between these two modes.When your module is switched to self-locking mode, you can turn on/off the connected appliance instantly. There are two wiring way.1. The first wiring way is to connect COM and NO with an appliance. In this way, when you press the setting button or APP to turn on, connected appliance will be turned on for 1s and then auto turned off.2. The second wiring way is to connect NC and COM with an appliance. In this way, when you press the setting button or APP to turn off, connected appliance will be turned off for 1s and then auto turned on. LED Indicator: There are 3 leds, the led beside self-lock/inching mode button indicates the working mode(on: self-locking mode, off: inching mode). The one beside on/off setting button indicates wifi status(enter pairing status: long press the setting button until led fast blink). Another one below the relay indicates relay on or off status(on: turn on connected device, off: turn off connected device). Add device to eWeLink:Long press the setting button until the LED beside on/off setting button fast blinking. For Android: Add Device->select pairing method according how the LED blinks->enter WiFi name and password->pairing and register->name device For iOS: go to phone setting->WiFi-> select the WiFi starts with ITEAD-********, enter default password to connect:12345678-> go to eWeLink->Add device->->select pairing method according how the LED blinks->enter WiFi name and password->pairing and register->name deviceSpecification:- Dimension:70.5mm*27.4mm*23mm- Operating current: 5V DC - Leds: indicate working mode, wifi status, relay on/off status.- Two input interface - Board consumption: