Leviton DD0SR-DLZ Dual Voltage 120/277VAC Decora Digital/Decora Smart Matching Switch Remote Matching switch remote for multi-location switching For use with Decora Digital (Bluetooth) or Decora Smart (Z-Wave, Wi-Fi, or HomeKit) switches (Refer to compatibility chart below) Use in 3-way or up to 4 additional locations Dual voltage for 120VAC and 277VAC LED locator light illuminates when switch is off making it easy to locate in the dark Neutral wire is required for installation