1.Easy replace your traditional switch to make it smart,can make your exist 1/2 gang switch smart also,just install 1 diy smart switch. 2.wirelessly control Wirelessly control your lights or devices by voice or automation using your Smart Phone and Alexa or Google Assistants. 3.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. 4.Uses popular"smart life/Tuya"android / ios app Versatile APP Allows for Full Control of Your Lights . Multiple Program Options Allow You to Plan the Exact Time to Turn Lights Etc. On/Off Automatically. 5.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 light to a Smart one. Specifications: Model : SW02-02 WiFi : IEEE 802 11 b/g/n BLE version : Bluetooth 4.2（This function is only used for the pairing process） Input: AC90-250VAC 50/60Hz Maximum load SW02-02 : 500W*2 for resistance load only 150W*2 for LED load only Maxumun current :SW02-02:5A*2 Package Included: 1*tuya WiFi Mini Smart DIY Light Switch Module 1*Instruction Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store