Note: Please be sure to download Treatlife APP, and then connect the Treatlife APP account to Alexa through 'Skills and Game'. You cannot directly connect the smart plug to Alexa through 'Add device' on the Alexa APP. 2.4GHz WiFi is required. Rating: 120V, 60Hz, 15A/1800W Voice Control: Treatlife electric outlet timer works with Alexa and Google Assistant, is simple to set up and use, plugin, and pair to Alexa, and gives a simple voice command to control your home devices. "Alexa, turn on the Christmas tree light now" "Okay" APP Remote Control: Control your home devices from anywhere. Even if you're not at home, you can control your timer outlet via APP directly, to avoid high energy bills and fire-hazards. You can also set the Child Lock, to prevent children from operating the timer plug outlet by mistake Group Control and Devices Share: Create the Group in your APP, and connect multiple plug-in timers to one room, so you can turn everything