Features: -Alarm clock stereo speaker system. -Compatible with iPhone and iPod models. -Universal dock charges and plays iPhone or iPod devices. -Wake or sleep to iPhone and iPod. -Hi-fi neodymium micro drivers in specially designed reason 8 chambers. -Adjustable sleep volume set a separate sleep volume without affecting the alarm volume. -Gradual wake and gradual sleep gently increases or decreases alarm and sleep volume. -Universal 100V 240V AC switching power supply. -12 or 24 Hour time display. -Daylight saving time switch. -Extra large backlit custom LCD display with dimmer. -Battery backup. -Universal docks with inserts to fit iPhone and popular docking iPod models. -Requires 4 AA batteries or standard AC. -Manufacturer provides 1 year warranty. Dimensions: -Overall dimensions: 3.1" H x 5" W x 9.4" D. -Product weight: 1.25 lbs.