An amazing part about SkyDrop is that it can calculate how much water your lawn uses every day and adjust the amount of watering time to keep your lawn healthy. This device sells for $200 on Amazon, and connects to your existing irrigation system along with your WiFi network. "Next time you sear tuna or burn popcorn, you’ll be glad you have a Nest Protect smart smoke detector in your kitchen. The Nest Protect won the best overall category in our 2019 roundup of the best smart smoke and carbon monoxide detectors. If there is enough smoke to trigger the emergency alarm, you can quickly silence it from your smartphone via the Nest app—no chair climbing or towel waving required. Instead of a single alarm tone, the Nest Protect speaks in a clear voice to alert you about smoke, fire, or an abundance of carbon monoxide in an area of your home.