2mo.was ok.I moved and it doesn't work at all.I called ring tec.she speaks Chinese she says yes yes yes.It still doesn't work.Is there a product we're someone speaks more than one language or transfer you over to someone who does speak your language a $1500 or more investment really.wish I would of picked the other set at Costco.It was a whole bundle.ring you buy everything separately and you will need wifi extenders I needed 2 of them for my 3br home.then a charging station. its garbage