Emergency Management Agency is conducting a presidential alert emergency test this afternoon.
Roughly 225 million electronic devices across the U.S. will sound off at 1:18 p.m. CT for a “Presidential Alert” that will read: "THIS IS A TEST of the National Wireless Emergency Alert
The alert will appear as long as the device is on, and may also show up on smartwatches, according to officials.
The Department of Homeland Security is reassuring phone users that their numbers are not being shared with anyone.
There will also be a television broadcast and radio alert at 1:20 p.m. Central Time which has been tested for several years.