SONOFF 4CH R3 4-gang Wi-Fi DIY Smart Switch 4 Way Home Automation Switch Module

Features:
Remotely control connected lights or devices via APP.
3 working modes with self-locking, interlock and inching mode for even remote control garage door and roller blinds.
Support scheduling a timer to make devices automatically start and stop to work.
Customize smart scenes to make the device connected with the switch to trigger other devices.
Share the control permission of devices to other accounts to control together.
Check real-time ON/OFF status of devices on your mobile phone.
Power on state allows users to set the On/Off/Keep status for the connected device before power failure and ensure it remains the arranged status after power restoration.
Note:
1. The device only works with 2.4GHz WiFi.
2. If the router is working in dual-band (2.4GHz 5GHz), please upgrade the eWeLink app to V4.0.0 or above.
3. The Pairing will fail if a wrong WiFi password is input.
4. The device shall get close to router for a good transmission signal condition while pairing.
5. RF control is only for 4CH PRO R3. There is a major difference between 4CHR3 and 4CHPROR3, which is 4CHPROR3 is designed with an additional function for RF control. The function is purposely adopted to make you turn on/off the device connected with 4CHPROR3 via the RM433 remote controller.