The ABRA Wi-Fi Smart Plug with Bluetooth® Gateway combines the utility and convenience of a Wi-Fi smart plug with the features and functionality of a Bluetooth® to Wi-Fi gateway. The ABRA Wi-Fi Smart Plug with Bluetooth® Gateway is required to connect the ABRA Surface Switch and other ABRA Bluetooth® devices to your ABRA system and your home's Wi-Fi network. Up to 50 ABRA Bluetooth® devices can be connected to a single Smart Plug/Gateway and multiple Smart Plug Gateways can be used throughout the home to create a Bluetooth® mesh network for optimal wireless coverage and reliability.