【Independently/Mutual Control 4 Devices】Turn on/off the 4 connected devices separately in self-locking mode. Turn on 1 device but turn off the other 3 devices at the same time in interlock mode. Turn on the connected devices but automatically switch off after 0.5-3600s later in inching mode.
【Dry Contact】If your device does not need to be powered through the output of the 4CHPROR3, but only needs to use it as a smart switch to control the line on and off, the 4CHPROR3 is your best choice.
【With 433MHz RF Control】Use your common 433MHz remote control to turn on/off the device without internet.
【Easy To Out-of-Reach Devices】Mounted on the guide rail, convenient to connect and control devices far from the switch.
【Works With Alexa & Google Assistant & SmartThings & Alice】You can directly ask Amazon Echo/Echo Dot/Amazon Tap, Google Home to turn on/off your SONOFF devices.
From the brand
SONOFF
Make innovation easier, lead a simple and smart life.
1. Download “eWeLink” app in APP Store for iOS or in Google play for Android.
2. Cut off the power before installing the device. Then power it up after completing the installation.
3.After powering on, the device will enter the quick pairing mode (Touch) during the first use. The Wi-Fi LED indicator changes in a cycle of two short and one long flash and release.
4. Tap “+” and select “Quick Pairing”, then operate following the prompt on the app.
5. It will auto-search and connect the device.
6. Name the device to complete.
Works with Amazon Alexa & Google Home Assistant
1. Tap "eWeLink Smart Home"on Alexa App, or "eWeLink Smart Home" on Google Home App.
2. Enter your eWeLink account and log in.
3. All the devices supported by voice control under your account display on Alexa App or Google Home App.
4. Name the devices to complete.
5. Now, control the connected devices with voice commands.
“Alexa, turn on the light.”
“Hey Google, turn off the bedroom light.”
......
Compared with 4CHR2 / 4CHPROR2, you can access self-locking, interlock and inching mode on APP directly.
Self-locking Mode
Turn on/off 4 connected devices independently.
Interlock Mode
Turn on 1 device every time, and turn off other devices at the same time.
Inching Mode
Turn on 1 device and it will automatically turn off after 0.5-3600s.
Share Control
Share the control permission of devices to other accounts to control together.
Set Schedule
Support scheduling a timer to make devices automatically start and stop to work.
Customize Smart Scenes
You can create smart scenes in order that one SONOFF device can trigger on/off another one or gather multiple devices into one group and tap to run them together.
Security Comes Before Everything
The durable flame-retardant PC shell provides the maximum safety for connected devices in use.
433MHz RF Control
With a 433.92MHz RF receiver module built-in, it can be controlled by the 433MHz remote controller(not included).
Power On state
You can set the power-on state to: ON/OFF/KEEP. When the device is powered back on,the switch status of the device will be determined by the power-on state you set.