NOTE:1)This change could be work at both of with out Neutral twine and with impartial wire,perfectly like minded with these two wiring tips your House wiring is with out impartial Wire, A capacitance is a must to be related to either ends of the L1 bulbs for normal work. 2)Built-in RF433 frequency permits for a further control by way of RF hand-held handheld remote control switch with encoding 1527(Note:433 RF Remoter isn't always incorporated within the package,please buy separately). Specification: Type: 1/2/3 Gang Touch Wi-Fi Switch Material: PC V0 fireproof + tempered glass panel. Rated Voltage: AC90V-260V, 50/60Hz. Load Power:3-300W/gang(Note:If it's used for LED or calories saving bulb,the strength load needs to be lower than 100W) RF Frequency: 433MHz. Wi-Fi: 2, IEEE 802 b/g/n Support by means of method of : Android and iOS APP: Tuya /Smart Life Features: 【Remote Control】 The consumer can use a smartphone to remotely management the house electronics remotely anytime, anyplace as prolonged as the phone has 2G / 3G / WIFI network like minded with iOS and Android operating components with Smart Life and Tuya app 【Voice Control】Compatible with Amazon Alexa (Echo / Dot / Dot / Tap), Google Assistant, IFTTT. Flight ticket counter with Amazon Alexa or Google Home to show your switch on or off with your voice, No hub required 【TIMING】The intelligent timer swap will automatically turn on after surroundings a timer for this switch, which is crucial for each day scheduling, and bring you a comfortable and intelligent approach of life Tips--App Be yes that you are using 2 WiFi when connecting with the clever bulb. And WiFi must be detectable status. Many routers have five GHz and 2 GHz community and your telephone will always mechanically hook up with the 5 GHz network. So, you need to permanently turn off your five GHz community by way of approach of going in your router settings (enter the router IP deal with into your internet browser, usually anything like 192), forcing your cellphone to hook up with the 2 GHz network. In addition, the router encryption mode must be WPA2-PSK variety and the authentication kind should be AES