Pocket Travel Alarm Clock - Analog Face, Snooze Button, Translucent Blue. TRAVEL ALARM CLOCK : Convenient travel alarm clock fits into most any pocket. ON/OFF SWITCH : Alarm features on/off switch, snooze function, and loud chirping alert. BLUE COVER : Translucent blue cover reveals time without opening case. BATTERY : Battery quartz movement, uses AG13 button cell battery (included but may require new battery). SIZE : Compact size, measures just 3"W x 3"D x 1/2"H (closed - stands 2.75"H when opened).