QuickFit and SimpleWire technologies offer groundbreaking home automation features. Unique advancements make the smart controls easier to install and more reliable than ever. Auto-detecting line/load terminals support fast installation by identifying line and load wires and configuring the switch accordingly. Dual ground ports, which are offset to avoid switch box mounting screws, support daisy-chaining in multi-switch setups. Enjoy the convenience of voice control with Google Assistant or Amazon Alexa when connected through a compatible Z-Wave hub. The smart device operates perfectly on its own or seamlessly integrates into multi-switch setups when paired with Enbrighten Z-Wave Add-on Switches. Up to four add-on switches can be connected to the same light, fan or appliance.