✅ You do not need to replace your wall switches: Just attach the Switchbot Bot on your existing switches to control them with the cellphone. The switch is simple to add to an current Wiz system, but has fairly restricted functionality. It can only be used to change the lights https://smart-wifi-power-point78754.kylieblog.com/35333386/5-simple-statements-about-smart-switches-for-home-explained