Main Feature: 1.Easy replace your traditional switch to make it smart, can make your exist 2 way switch smart also,just install 1 diy smart switch,suit for EU/UK switch box, please comfirm the size before order.    2.Wirelessly control Wirelessly control your lights or devices by voice or automation using your Smart Phone and Alexa or Google Assistants.    3.Voltage ac 90-264V/16 amp maximum load DIY Switch Module Can Control a Wide Range of Lights and Appliances.    4.Wi-fi control via your mobile phone 2.4G Networks provides the needed connection to the DIY Switch Module without the need of a separate HUB.    5.Uses popular"smart life/Tuya" or "eWelink" android / ios app Versatile APP Allows for Full Control of Your Lights or Compatible Appliances. Multiple Program Options Allow You to Plan the Exact Time to Turn Lights / Fans / Etc. On/Off Automatically.    6.Give your devices the ultimate power on/off smart makeover,Simply Wire this Do-It-Yourself Module between your Device and Power Source to convert most any Compatible Product to a Smart one.    Specificaton:   Input Voltage :AC90-260V50/60Hz;    Wiring : Live wire and Neutral wire;    Max. Load Power : 2500W;    WiFi Standard : 2.4GHz 802.11 b/g/n;    App Name : Tuya Smart/Smart Life(Type 1) or eWelink(Type 2);    Work Life : 100,000 times for operation;    Size : ( 52 * 48 * 18 ) mm;    Gross Weight : 55g;    Certification: CE, RoHS.      Package included:   1 x 2 Way WiFi Switch.