Ener-j�s smart Wifi switches is home automation the easy way. Easy to use and install but you need a wi-fi network. Our Wifi switch seamlessly replaced your old wall light switch and works with any one-way connection light. Easily installable, and very economical. Neural wire required and minimum 33mm box. Simply download the free Ener-j smart app, and control your lights from anywhere in the world right from your phone. No hub or subscription required. For those less able then control your lights from your chair or bed to improve safety. Light up the way when around your house. Switch lights on and off from your bed if you need to get up in the night. Set timers for lights to come on and off. Available as a 1 gang, 2 gang or 3 gang switch. Rated load: each gang less than 300w. Also works with Amazon Alexa. Download App: EnerjSmart