Alexa & Google Assistant Support: Works with Alexa & Google Home for voice control (Alexa device sold separately) via the "Smart Life" Skill/Brand Voice Control: No Hub Required. Turn electronics on or off from anywhere with your smartphone using the BN-LINK Smart app or by simply giving voice commands to Amazon Alexa or Google Assistant.  Programmable Timer: Schedule the three-prong Smart Wi-Fi plug to automatically power electronics on and off as needed, like setting lights to come on at dusk or turn off at sunrise. With the countdown timer feature, simply set a timer for the Smart Plug to turn off its appliance automatically. Wi-Fi Support: Requires a secured 2.4GHz Wi-Fi net. Safe & Warranty: ETL listed. Product Tutorials Manual Download Manual-of-U133T-BN-LINK.pdf Users Also Asked What type of plug does this smart wifi outlet have? The U133T-4P is a three-prong Wi-Fi outlet with a programmable timer function. Does this smart wifi plug require a hub? The U133T-4P is a hubless three-prong Wi-Fi plug and does not require a hub.