Control 4 Devices IndependentlyJust need one 4CH PRO R3 which can let you connect and control 4 home appliances and electronic devices independently. You can turn on/off the connected bulbs/devices via eWeLink APP or 433MHz RF remote. 3 Powerful Working Modes3 working modes with inching, self-locking and interlocking. It can remotely control garage door and roller shutter. Set 8 schedules for automatic controlIt can set 8 single/repeat/countdown timers to automatically turn on/off devices at specified time. And the timers can work even if the network is not available. Powerful FunctionsCustomize smart scenes to make the device connected with the switch to trigger other devices. Share device control permission with other accounts to control them together. Check the real-time ON/OFF status of devices on your mobile phone. Power On StatusPower On Status allows users to set the On/Off/Keep status of the device. connected device before power failure and ensure that it remains the arranged state after power is restored. Router must be 2.4 GHz (5.0 GHz WiFi is not supported)