The NOAA weather radio that uses digital S.A.M.E. technology. S.A.M.E. - Locks into the warning system of the county you are in. Gives instant weather updates from the National Weather Service. Program up to 25 different counties/provinces. USB Output allows you to charge devices directly from the radio. 80 Different emergency alerts. AM/FM Radio with alarm buzzer. Color coded alert level indicators. 85 dB Siren. Emergency power backup (requires 4 AA batteries - NOT included).