Meet the Amaryllo iCamPRO: a robotic security camera with 3 motion sensors to detect movement and track objects with 360-degree visibility. You get 1920 x 1080p HD video, so you can see details and faces clearly. iCamPRo notifies you when activity is detected. It includes cloud storage and 256-bit encryption to protect your privacy.
The device lets you go offline at the push of a button. It offers two-way audio too. Costs under $250 at this time.