Installation Instructions | - Turn off the power supply, Open the switch box and locate the live and neutral wires, Connect the live wires to the L1, L2, L3, and L4 terminals on the Sonoff 4CH R3, Connect the neutral wires to the N terminal on the Sonoff 4CH R3, Connect the output wires from the Sonoff 4CH R3 to the lights or appliances you want to control, labeling them as CH1, CH2, CH3, and CH4, Close the switch box and turn the power supply back on, Download the eWeLink app on your smartphone and register an account, Pair the device, Press and hold any button on the Sonoff 4CH R3 for 5 seconds until the LED indicator flashes rapidly. Follow the app instructions to add the device and pair it with your Wi-Fi network, Rename the device and channels as you like in the app, and start enjoying smart control of your home
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