2.4GHz Wi-Fi Compatible Connects to 2.4GHz networks of single-, dual- and tri-band routers through effortless pairing options for use with the latest home Wi-Fi equipment. DOES NOT WORK WITH 5GHz NETWORKS. Voice Control No hub required for voice commands through Alexa and Google Assistant. Easy-to-Use App Versatile UltraPro app available in the Apple App Store and Google Play simplifies network connection for hassle-free mobile operation of lights, fans and more. Alerts and do-not-disturb function allow personalized monitoring without inconvenient interruptions. Simple Setup Schedules and automations support full customization based on times, presets, weather, location and other factors. Organize devices by rooms and homes to control several locations from one app. Space-Saving Design 2 Indoor plug-in switches feature 2 grounded, simultaneously controlled outlets with a manual ON/OFF button and only occupies one outlet of a duplex receptacle.