Here is a smart security camera that screws into your existing fixture and is powered through it. The W.A.T.C.H. Lantern Cam is weather resistant and has necessary features such as motion detection alerts, night vision mode, two-way audio, and HD video monitoring.
You will be able to view all the action at night on your smartphone. The camera comes with an extendable pole. Expected to ship in April. You can find out more about it here.