Midland WR300 Features: All Weather Hazards Alert Radio: Digital PLL tuning, S.A.M.E. strong localized reception, 23 programmable county codes, Built in AM/FM Digital Radio with time, alarm and date with full display, Auto Switch from AMFM to All Hazard Alerts, 10 memory alert, Add Edit Remove Unwanted alerts, Uses 4 AA Batteries (not included), AC Wall Adapter included, Public Alert Certified, Measures 7" x 5. 5" x 2.5", Compatible with pillow vibrator, Strobe light, and any X10 accessories, Input - 9-14 Volts DC Controls - Weather Hazard On Off, Snooze, Alert On Off, AMFM, Menu, Direction Arrows and Select Jacks - DC Power, Earphone, External Antenna, External Alert Jack S.A.M.E. is Specific Area Message Encoding. It allows this radio to be programmed to sound an alert only when weather and other emergencies threaten the selected county or counties. This technology eliminates all other alerts which are only intended for locations outside the selected area. Weather and other emergencies can occur at any time, day or night.