Features: Display Dimmer Control, Alarm, Automatically Updates for Daylight Saving Time, Dual Alarm, Auxiliary Port, Snooze Function, Battery Backup, Radio Alarm, AM/FM RadioFunctions: AM/FM Radio, AlarmDisplay Size: 1.0 "Display Features: Digital Clock DisplayInput Type: 3.5mm Jack, AuxiliaryOutput Type: Headphone JackPower Source: Electrical Plug-InDimensions: 4.2 " H x 4.0 " W x 3.6 " DWeight: 2.64 Lb.