Sonoff 4CH Pro R3 integrates with a 433MHz RF receiver module, which makes it possible to control the switch by RF remote control. 4 channel universal WiFi wireless smart switch to turn on / off your smart home system remotely and automatically, and Android / iOS App eWeLink or 433 for electronic devices MHz RF remote control. It also supports sharing to others. You can also control your home appliances by voice with Amazon Alexa and Google home / Nest and enjoy smart life and make your home smarter.
* App support: for free iOS and Android mobile app eWeLink.
* Synchronization status: real time device status provided to the app.
* Remote on / off: turn on / off 4 electrical appliances remotely from anywhere.
* Independent control: each gang in control application separately.
* Remote control: Supports controlled by 433MHz RF remote control.
* 3 operating modes: support switching between inching / locking / self-locking modes.
* Timing: supports 8 active countdown / single / repeat timing tasks to turn on / off at specified time.
* DIN rail mounted: great for industrial control.
* Voice control: perfectly compatible with Amazon Alexa, for Google home, for Google slot.
* Share control: control your smart home with your family.
Power supply: 90V ~ 250V AC
Max. Current: 10A / gang, 16A / total
Max. Power: 2200W / gang, 3500W / total
Operating temperature (recommended): 0 ° C-40 ° C
Operating humidity: 5% -90% RH, non-condensing
Transmission mode: Wi-Fi 2.4GHz communication
Wireless standard: 802.11 b / g / n & 433MHz
Security mechanism: WPA-PSK / WPA2-PSK
Enclosure material: fire-retardant ABS V0
Item size: 145 * 90 * 34 (mm)
Package size: approx. 14.8 * 9.5 * 4.5cm / 5.83 * 3.74 * 1.77in
Package weight: approx. 233g / 8.22oz
1 * Sonoff 4CH Pro R3
1 * user manual