Tuya Wifi Light Switch Main Feature 1: With Neutral Wire / No Neautral Wire This switch can work with neutral wire, it can also work without neutral wire. It support two wiring methods. As we know, many houses in the world don't have neutral wire in switch box. But neutral wire is required for most smart switches. Now, this switch will be a great choice for these houses without neutral wire. To provide power for wifi module in the switch, when without neutral wire, we need to connect a capacitor with the lamp. The capacitor come with the switch, you don't need to buy it yourself.ATTENTION:Each switch (1/2/3 gang) only need one capacitor. The capacitor should be connected to L1 lamp, just as following picture. Main Feature 2: 2 Way Control with 433 Wirele Switch This wifi switch support 433 RF function. When it's paired with 433 wirele switch, you will be able to control one light from different positions, just like the 2 Way switches. The 433 wirele switch is powered by battery, you can install it anywhere, don't need to change wire in your house. This is widely used in staircase and bedroom.ATTENTION:433 wirele switch is NOT included in the package. If you need it, please click following picture to buy. Features Two wire methodswork with or without neutral wire, easy to replace the old switch, not change the wire.No Hub or Gateway Requiredconnect the switch with wifi router directly, no more spends.APP Remote Controlwork with Tuya and Smart Life App, support IOS and Android.Timer and Schedulelet switch turn on/off automatically, save energy and make life easy.Voice Controlwork with Alexa, Google Home, free your hands and enjoy life.433 RF Remote Control pair with 433RF wirele switch, control 1 light from different position.Certificated by CE, FCC and RoHssafe, stable and high quality guarantee. Specification Voltage Input: AC 90-250V, 50/60Hz.Max Current & Power: 10A, 300W/ GangWifi Standard: 2.4GHz, 802.11 b/g/n.App Type: Smart Life/Tuya, Android & IOS. Package List Wifi Switch *1Screw *2Capacitor *1User Manul *1 --------------------------------------------------------------------- How to add the wifi switch in Tuya/Smart Life App ? 1. Cut off the light power, install the wifi switch correctly according to the wiring diagram. 2. Get through the power, the wifi switch button indicator will blinks fast automatically, this means switch is in wifi connection mode. If the indicator blinks slowly, please long pre any one of the buttons for 15 seconds, then release the button, the indicator will blinks fast. 3. Connect the phone to wifi, open the Tuya/Smart Life App, add the switch step by step. ATTENTION:this wifi switch only work with 2.4G wifi, NOT work with 5G wifi. How to pair with 433 wirele switch? 1. Long pre on wifi switch button until the lamp change once, release the button.2. Pre the button on 433 wirele switch once, pair succeed. How to delete the connection with 433RF wirele switch? Long pre on wifi switch button until the lamp change twice, release the button, delete succeed. Tips: the 433 wirele switch don't come with the wifi switch, if you need, please buy it separately.