Motorola MWR839 Weather Alert Radio: * Public alert certified * 7 NOAA weather channels * SAME (Specific Area Message Encoding) * FIPS codes * Siren and voice alerts * Alert message storage, up to 20 messages * 3 LED indicators for advisories, watches and warnings * AM/FM radio * Radio preset stations - (5 AM, 5 FM) * RBDS (Radio Broadcasting Data System) * Alarm/clock with snooze with 2 alarm settings * AM/FM/buzzer alarm * LCD screen dot matrix * Backlit display * AM external antenna connector with ground terminal * 21" integrated telescopic antenna * AUX-in allows you to play your favorite music device * 3.5mm jack * External trigger for strobe light/bed shaker (3.5mm jack) * 4 x AA batteries (not included)