The price shown for the camers should also tell you that you have to buy licenses key...Kind of a scam. You buy the $499.99 cameras then have to purchase key @ $99 for one year or $199.99 for ten years. Or the cameras won't even connect to wifi. Once that was figured out, because directions don't say anything about it. The app don't tell you about it. They work great. Just don't like they're not up front.