[Turn non-smart appliances or equipment into smart] [Neutral wire and No Neutral wire]: Whether it has a neutral wire or no neutral wire, it can be used, and there is no need to install a capacitor [Mini body]: It can be directly installed in switch bottom box without placing ceiling or being exposed, which is convenient maintenance and operation. [16A high power]: can meet power of most electrical appliances. [Support two way control]can be used on two switches to control a light bulb together.Can be used with the previous two way switch. [Real-time display]APP displays the switch status of the switch module in real time. [Mobile App control]Control the switch, timing, countdown and other functions of the device through the mobile phone [ Voice control]Support voice assistants such as Alexa, Home, etc., to realize functions such as switches; [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; [ Networking technology] mobile phone can control switches, and switch can be controlled by mobile phones at the same time; [Group control]The lights can be grouped to achieve unified control (simultaneous switching, timing, etc.); [The Internet of Everything] Through settings, it can be linked with other intelligent scenes to make life smarter; [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 . [Gateway is required]You need a hub to connect the device to the Internet. The device sends information to the gateway, and the gateway transmits the information to the mobile phone. Specifications: Tuya solution: ZigBee 3.0 Input voltage: 100-240V 50 / 60Hz Maximum load current: 16A Application name: Tuya Smart / Smart Life Size: 59 x 42 x 20mm Package Included: 1 x switch,1 x manual Notes: Gateway is required