Slow response. I may not get notice of a person in the camera until 3 or 4 minutes after he or she is gone. And half the time I can't connect to talk. All of this is with the camera within 10 feet of the wi fi and within 6 feet of a Wi-Fi booster. The app works okay after uninstalling and reinstalling, but that only lasts for a couple or a few days. Then it's back to a slow response. Update February 2022: the app still operates just as poorly.