Meet the Appbot Link: a cool little robot that lets you keep an eye on your place. This robot can be controlled over a WiFi connection. You can use the companion app to take, store, and view photos or video. You get an alert when motion is detected. It is also capable of helping you with night surveillance.
The Appbot Link robot is compatible with iOS and Android device. The head tilts to 120°. The above videos show how this robot works.