The Wemo Wi-Fi Smart Plug lets you control your electronic devices right from your phone or tablet. It uses your existing Wi-Fi network to provide wireless control of lamps, fans and more without requiring a subscription or hub. Simply plug it into an electrical outlet, plug a device into the Smart Plug and control your device using the free Wemo App or by using your voice with Apple HomeKit, Amazon Alexa or Google Assistant. Compact size fits into any electrical outlet without obstructing other sockets. This allows you to stack an additional Smart Plug or plug another device in the same outlet.