• Works with Alexa for voice control (Alexa device sold separately). Works with Nest – automate lighting based on sensors or alarms.• Control your home from anywhere - no hub required - simply replace your existing light switch. Wifi devices supported 802.11 a/b/g/n networks at 2.4 ghz and 5 ghz with wpa or wpa2 security.• Schedule your lights to turn on when you want them including sunrise/sunset, easily create fun lighting scenes, or use your voice to ask Alexa or Google to turn off all lights.