"My Neighbors Shared An Unsettling Video Of A Woman Holding This Device Up To Their Ring Doorbell. She Walked Up, Held It Directly In Front Of The Camera While It Made A Clicking/Buzzing Noise And Then Left Quickly. Any Ideas Of What It Might Be Or If We Should Be Worried?"
Answer: "It's a frequency scanner. Often used by car thieves. These can read the codes from that distance and enable thieves to get into your vehicle, disable the security features in the process, and drive away with your car."