Note: this Sonoff 4CH WiFi switch does NOT have 433Mhz RF remote capability.

Product Specification:
[ Name ]: Sonoff 4CH Smart Wifi Switch
[ Voltage range ]: 90-250v AC(50/60Hz) / 5-24v DC
[ Max current ]: 10A/gang
[ Max Power ]: 2200W/gang
[ Wireless Frequency ]: WiFi 2.4GHz
[ Operating Temperature(recommended) ]: 0ºC-40ºC(32°F-104°F)
[ Operating Humidity ]: 5%-90%RH, Non-condensing

Product Advantage:
Turn on/off 4 home appliances remotely.
Device status's synchronously display.
Single/Repeat/Countdown timers.
Share control.
Supports setting power on state.
Works with Alexa.
Works with Nest.

Product Overview:
- Sonoff 4CH is a 4-gang switch with din rail mounting.
Sonoff 4CH 4 gang light switch supports to connect and control 4 electrical appliances, which can be turned on/off separately by the buttons or iOS/Android App EweLink.
- Besides, with the multi gang switch, you can check real-time devices status for each device on App. Owning a Sonoff 4CH multi gang switch means you have Sonoff 4 basic Wi-Fi switches integrate together.
- The enclosure is din rail mount supported! A DIN rail is a metal rail of a standard type widely used for mounting circuit breakers and industrial control equipment inside equipment racks.
These products are typically made from cold rolled carbon steel sheet with a zinc-plated or chromated bright surface finish.
- Sonoff 4CH 4 gang WiFi light switch belongs to Sonoff family, definitely, it bears all the functions basic Sonoff has.
In EweLink, you can remote turn on/off from anywhere at any time, set single/repeat/countdown timing schedules to turn on/off at a specified time, share to others so that they can control together.

Works With Amazon Alexa:
You can ask Alexa to turn on/off Sonoff 4CH.
The default names for the 4 gangs are: outlet 1, outlet 2, outlet 3, outlet 4. You can change the name if you like.
Standard voice control commands phrases for Sonoff 4CH and Sonoff 4CH Pro:
Alexa, turn on {deviceName} {gangName}
Alexa, turn off {deviceName} {gangName}
Explanation: if the device name of your Sonoff 4CH is "My Switch", the gang name is "Outlet 1", then you can control with "Alexa, turn on My Switch Outlet 1".