The name of the skill is FirstRank, and in smart homes, the Amazon provides validation to make the user experience more convenient, as long as: Alexa, turn on light. Alexa, turn on light. You can control your home's smart sockets, smart switches, smart lights and so on. If there is a technical problem, please contact E-mail:fsrk_ddj@fs-rank.com. The operation instructions are as follows: 1: apply for Amazon Alexa skill account with E-mail. 2: purchase the Amazon echo speaker or dot. 3: purchase equipment. 4: scan the two dimensional code on the device, download the device APP and install it. 5: configure the SSID and PASSWORD of the router in accordance with the device specification. 6: when the configuration is successful, set up the user's e-mail and password (the same email and password with the Amazon Alexa skill account), modify the name of the device. 7: Download Amazon Alexa skill APP and install it. 8: login with the application's Amazon Alexa skill account and password. 9: configure the echo speaker or dot in the router's SSID and PASSWORD in accordance with Amazon's Alexa skill APP specification. 10: after the configuration is successful, search for the FirstRank skills in Amazon Alexa skill APP and click on it. 11: click the ENABLE button in the interface, once again enter the user e-mail address and password in the new interface. 12: after the verification is successful, click the DISCOVER key to search for the device under the user account. 13: find the equipment, after the success, say: Alexa, turn on light Alexa, turn off light