Smart LED (light emitting diode) A19 light bulb. Provides light that dims to your desired brightness level with the Wiz app or voice commands. You can set schedules to turn lights on and off according to your daily or weekly routines, and have remote access to your lights even when you are away. Connect to your existing Wi-Fi, no additional hardware is needed. Compatible with Google, alexa, and Siri. Easy plug and play installation.