It helps turn non-smart appliances or equipment into smart.With mobile APP control, the control switch, timing, countdown and other functions are controlled through the mobile phone, and with voice control, it supports voice assistants such as for Alexa, for Google Home, etc., to realize functions such as switches.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.With networking technology, one mobile phone can control multiple switches, and one switch can be controlled by multiple mobile phones at the same time.The lights can be grouped to achieve unified control (simultaneous switching, timing, etc), and it is the internet of everything, through settings, it can be linked with other intelligent scenes to make life smarter.Main account can be shared with other members of the family, and the functions and settings are completely retained and copied, and 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.Item Name: Smart Switch ModuleMaterial: PCVOutput: AC 100-240V 50/60HzInput: AC 100-240V 50/60HzWi-Fi: IEEE 802.11b/g/nCertified Product: ROHSMaximum Current: 16AFeatures: Mini, Wireless, Remote Control, Easy to UseSize: 4.2cm x 4.2cm x 2cm/1.65" x 1.65" x 0.79" (Approx.)Notes:Due to the light and screen setting difference, the color of item may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Smart Switch Module1 x User Manual