This Hama Wi-Fi socket in a 3-pack is small, square and works without a gateway (hub). You don't need any costly additional devices as the socket establishes a direct Wi-Fi connection to the router. Simply add Wi-Fi capability to your devices. Use the Hama Smart Home app to create your smart office and add as many Hama smart home products as you like, Manage the socket and connected devices from anywhere via the Smart Home app, Voice control via Amazon Alexa or Google Assistant, High compatibility: works with Amazon Alexa, Google Assistant, Siri Shortcuts, Home Connect Plus, iOS and Android, Please note: Requires Android 4.3 or iOS 8.0 or later!