Meet the Yardian: a smart sprinkler controller that not only waters your plants and conserves water, it also lets you view your yard from your phone. It also works with Amazon Alexa. The Yardian automatically detects connections and can identify faulty valves. It combines with your iOS or Android devices and uses local weather data to water your yard smartly.
The Yardian has livestreaming and motion detection functionality. It lets you know when someone approaches your door. You can get yours for under $180 at this time.