1 Channel Ewelink Wifi RF Switch Module Self-Locking DC 5V 7-32V Wireless APP Remote Control For Alexa/Googole Smart Home 433MHZ Note: This product adds support for 433MHZ remote control Description: 433MHZ remote control The wireless switch supports inching /self-locking mode. Users can add the device to the APP eWeLink to remote control connected home appliances or devices. In self-locking mode, customers can remotely turn on/off connected devices immediately. Customers can have two wiring ways to select when in inching mode: Turn on 1s and then auto-off Turn off 1s and then auto-on. This product Compatible with Alexa. The relays are switches without output, the power supply input (AC/DC) just for the PCBA The product enables remote control of home appliances through the mobile application eWeLink, available on both Android and iOS. Supported Functions Include: Remote turn on/off Timing schedules Device sharing Group management Reminder: Operating voltage at 90 - 250 V Features: Stable and strong anti-interference Module link router WIFI signal or cell phone hotspot signal, download and install a good YiWeiLian APP, the phone can be controlled from anywhere. Working mode of point action / self-locking Maximum power up to 2200W / 10A With signal indicator Specifications: Model: DC 5V module Model:DC7-32V module Input voltage:DC 5V Maximum power:2200W / 10A Working mode: Pointing / self-locking Wireless standard: Wi-Fi 2.4GHz blg/n Working temperature:-20~70 Material: flame retardant ABS Size specification:70.5*27.4*23mm Package Included: 1X module Add Device to eWeLink: Long press the setting button until the LED beside on/off setting button begins fast blinking. Android: Add Device->select pairing method ->enter WiFi name and password->pairing and register->name device iOS: go to phone setting->WiFi-> select the WiFi starts with ITEAD-********, enter default password to connect:12345678-> go to eWeLink->Add device->select 1st generation pairing method->enter your WiFi name and password->pairing and register->name device