Note: The ZigBee version needs to be used in conjunction with the tuya ZigBee gateway Attention: (zigbee energy monitoring version) If the energy monitoring data does not appear in the APP, do not question the smart switch. Please replace the zigbee gateway you are using. The reason for the energy monitoring data not showing up is because of the gateway version. It can be solved by contacting the gateway manufacturer or replacing the gateway with another zigbee gateway. There are many choices for this product. Please check the picture description so that you can buy the correct product. Welcome to leave a meage! I will help you Description: 1. Turn ordinary non-smart appliances or equipment into smart; 2.Mobile App control. Control switch, timing, countdown and other functions of the device through the mobile phone. 3.Voice control. Works with Alice, Works with Alexa, Works with Google Home, etc., to realize functions such as switches; 4. Remote control. It can realize the remote control of the light by mobile phone, no matter where you are in the earth, as long as your mobile phone can connect to the network, you can control it; 5. Networking technology. One mobile phone can control multiple switches, and one switch can be controlled by multiple mobile phones at the same time; 5. Group control. The lights can be grouped to achieve unified control (simultaneous switching, timing, etc.); 6. The Internet of Everything. Through settings, it can be linked with other intelligent scenes to make life smarter; 7. Sharing and security. The main account can be shared with other members of the family, and the functions and settings are completely retained and copied; security: once the lamp is added by the main account, the lamp will be and other users can no longer find and add; it needs to be actively shared before others can use it . Specifications: Output:AC 100-240V 50/60Hz Input:AC 100-240V 50/60Hz Wi-Fi:IEEE 802.11b/g/n Material:PCV-0 Certified product: ROHS Maximum current:16A