Smart WiFi Light Switch Works with Alexa and Google Home

We have two types Smart WiFi Light Switch Works with Alexa and Google Home one is rf touch switch-single live wire, another is wifi touch switch-neutral live wire. Please tell me whitch type smart switch do you need before order. They both have 1/2/3 gang, white/gold/black color for choose, both can control it by touch, ed remote control. The diffirence between them wifi smart touch switch can control it through wifi, smartphone app control and the wiring way.

The ZHECHI Electric® Smart WiFi Light Switch Works with Alexa and Google Home is use tempered glass touch panel and fire retardant PC substrate, looks elegant. Scratch-resistant, damp proof, fire retardant, easy to use and install. So Environmental-friendly and energy saving. Replace traditional wall switch completely and smoothly. Suitable for home, office, hotel, hospital and so on.

Smart WiFi Light Switch Works with Alexa and Google Home is a 1/2/3 gang touch control tempered crystal glass panel wall switch. The switch can add the Tuya/Smart life App to achieve turn on/off connected LED and lights from anywhere at any time. Also can set scheduled to turn on/off at specified time, not only control by one phone can share with your family to control together. Work perfectly with Amazon Alexa, Google home can be controlled by your voice