See, hear and speak to anyone at your door, wherever you are from your smartphone, tablet or PC. With HD high resolution video and two-way audio, SpotCam Ring lets you meet a visitor as if you were home, even if you're miles away. It's powered by just 4 AA batteries, and lets you use the app on almost any device to see anyone who comes and goes from your doorstep, and even lets you talk to them in real time, so you can appear to be home when you're not, or deal with an unwanted visitor without opening the door.