The Aqara E1 Hub is a versatile smart home device that utilizes the Zigbee 3.0 protocol for seamless connectivity with a wide range of smart home products. Powered by USB-A, it is easy to set up and requires minimal installation. Its all-round compatibility allows it to work with a variety of different smart home devices, making it a convenient addition to any smart home setup.The 210° adjustable shaft allows the hub to be positioned at the optimal angle for signal reception, ensuring reliable and consistent performance. Additionally, the E1 Hub also functions as a Wi-Fi repeater, extending the range of your home network and ensuring a strong and stable connection for all of your smart devices. With its compact design and powerful capabilities, the Aqara E1 Hub is the perfect addition to any smart home setup.