TP Link Tapo Smart Remote Dimmer SwitchTapo S200D adds local instant control to your smart lights, simplifying how you control home illumination. Share it with your family members or guests to set the perfect light ambiance for their mood. Dont bother opening up an app. Control your smart light from multiple locations with more than one dimmer switch. This way, your single pole dimmer turns into a 3 way or even 4 way dimmer without rewiring. Ideal for living rooms, halls, and stairways.