Intelligent Wi-Fi wall lamp switch, supporting Amazon Alexa and Google assistant, suitable for US/CA wall lamp switch, remote controller with timing function, white (US/CA 110-220 volts) and in accordance with US/CA wall lamp switch regulations, can seamlessly replace your traditional wall lamp switch. In addition, with well-designed installation wizards in applications, the connection process has never been so simple. Finally, use Wi-Fi to operate. You just need to connect it to your existing home Wi-Fi without buying additional hubs. The neutral line is required for installation. An Internet connection is required.