Style:Sonoff 4CH PRO
<br />Sonoff 4CH Pro is a 4 gang WiFi switch. Users can remotely turn on/off the connected lights/appliances by iOS/Android App eWeLink or 433MHz RF Remote. They can create 8 enabled single/repeat/countdown timers to automatically turn on/off at the specified time.The timers can run themselves even network is unavailable. To let the devices be controlled by their family, they can simply share the devices to them and give specified timers permissions. They can even create some scenes or smart scenes to trigger ON/OFF the switch.
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<br />3 Working modes:In self-locking mode, users can turn on/off the 4 connected devices instantly and separately. In interlock mode, users can turn on 1 device every time, and turn off other devices at the same time. In inching mode, users can turn on connected devices for 0.25-4s(the time is adjustable).Users can set some devices in inching mode, while the others in interlock mode.Now the Sonoff 4CH Pro can perfectly works with Amazon Alexa. Just ask Alexa to turn on/off Sonoff 4CH Pro. Please note that only US/UK English and German voice commands are supported now.
<br />The default names for the 4 gangs are: outlet 1, outlet 2, outlet 3, outlet 4. You can change the name if you like.
<br />Standard voice control commands phrases for Sonoff 4CH and Sonoff 4CH Pro:
<br />Alexa, turn on {deviceName} {gangName}
<br />Alexa, turn off {deviceName} {gangName}
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<br />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".
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<br />Specification
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<br /> Voltage range: 90-250v AC(50/60Hz) / 5-24v DC
<br /> Max current: 10A/gang
<br /> Max Power: 2200W/gang
<br /> Wireless Frequency: WiFi 2.4Ghz
<br /> Operating Temperature(recommended): 0ºC-40ºC(32°F-104°F)
<br /> Operating Humidity: 5%-90%RH, Non-condensing
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<br />Package
<br />Sonoff 4CH Pro*1
<br />Note: the RF Remote is not included, please order separately
<br />Manual: http://ewelink.coolkit.cc/?p=458 
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<br />Remote ON/OFF Turn electrical devices on/off from anywhere
<br />App Support  Free iOS and Android mobile App eWeLink
<br />RF Remote control Turn on/off by 433MHz RF Remote indoors
<br />Independent control Control each gang separately
<br />3 Working Modes  Switch among interlock/self-locking/inching modes
<br />Adjustable Delay Time  Turn on devices for 0.25-4s in Inching mode
<br />DIN Rail Mounted  Great for industrial control
<br />Sync Status Real-time device status provided to App
<br />Timing Set scheduled/countdown timers to turn on/off at specified time
<br />Share Control  Control your smart home together with your family
<br />Scene Turn on/off a gang of devices with one tap
<br />Smart Scene Triggered on/off by temperature, humidity or other environmental conditions
<br />Voice Control  Works perfectly with Amazon Alexa, Google Home 
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<br />Voice Control : Works with Amazon Echo/Echo/Dot, Amazon Tap to turn on/off your devices
<br />Independently Control 4 Devices: Sonoff 4CH smart switch is the new 4 channel design which can make you remotely turn on/off 4 home appliances independently
<br />Powerful Working Mode: Sonoff 4CH Pro is a 4-gang Wi-Fi switch. It supports switching among 3 working modes: interlock/self-locking/inching(0.25-4s adjustable)mode. It is DIN Rail Mounted
<br />Smart Timer: Users can remotely turn on/off connected lights/appliances by iOS/Android App eWeLink. They can create 8 enabled single/repeat/countdown timers to automatically turn on/off at the specified time.The timers can run themselves even when network is unavailable
<br />Share Control: To let the devices be controlled by their family or friends, they can simply share the devices to them and give specified timers permission. They can even create some scenes or smart scenes to trigger on/off the switch