Sonoff 4CH Pro WiFi RF Smart Switch Unboxing & Installation with manaul switch.

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Control your home appliances or electrical devices anytime and anywhere
Wherever you are, and whenever you want to turn ON/OFF your home appliances or electrical devices, you don't need to be there or others' help, you just need slightly touch the ON/OFF button on the Ewelink app. The connected devices will be automatically on/off immediately.

Independently control 4 devices : It is the new 4-channel design which can make you remotely turn on/off 4 home appliances independently.
3 powerful working modes : Turn on/off the 4 connected devices separately in self-locking mode. Turn on 1 device but turn off other 3 devices at the same time in interlock mode. Turn on the connected devices but automatically switch off after 0.25-4s later in inching mode.
2 remote control methods for your choose : you can turn on/off the connected lights/appliances via WiFi or 433MHz RF Remote control.(Note: the RF Remote is not included, please order separately)
Set 8 time schedules for automatic control: It can create 8 enabled single/repeat/ countdown timers to automatically turn on/off devices at the specified time. And the timers can run themselves even the network is unavailable.
Works with Alexa: Link "eWeLink Smart Home Fan" skill. You can directly ask Amazon Echo/Echo Dot/Amazon Tap to turn on/off your Sonoff devices.

Remote control 4 devices & 3 working modes
Sonoff 4CH Pro can connect four household appliances or electrical devices, so you can remotely control four devices ON/OFF at the same time or separately.
There are three working modes for your different needs: self-locking mode, interlock mode, and inching mode.
Self-locking mode: Turn on/off 4 connected devices separately
Interlock mode: Turn on one device every time, and turn off others at the same time.
Inching mode: Turn on the connected devices just for 0.25-4s (the time is adjustable).
Self-locking mode + Inching mode: Some devices in self-locking mode, while the others in inching mode.

Note: the RF Remote is not included, please order separately

Advanced voice control
Sonoff smart switch can work perfectly with Alexa-enabled devices like Echo/Tap/Dot, as well as Google home. Just with a simply voice command, Alexa or Google Assistant will work for you, turning on/off the connected devices at once.
Control home appliances or electrical devices with your voice like this:
“Alexa, turn on the light.”
“Alexa, set bedroom light to warm white.”
“Hey Google, turn off the bedroom light.”

Видео Sonoff 4CH Pro WiFi RF Smart Switch Unboxing & Installation with manaul switch. канала Technical Ocean