I bought the Waggle. I got it two days before leaving for Florida. It was DOA. After talking to tech support, they shipped a new one over-night. It worked great for about 2 months, then it would not report to my phone anymore. I talked with tech support again. After about two days of back-and-forth phone calls with them, they sent me another new one. It's been running great for 6 months. The concept is good, tech support, took a few back-and-forth phone calls to clarify/prove the problem, but then life was fine. After calling them, they called me a couple times and asked additional questions. I am going to stay with the system. It monitors temperature, humidity, and power.