The re-issue AB30 Braun Clock in black is a simple pure modern design with a 5 minute snooze function that is activated by voice or clap. It also has a large pop-up on/off switch. The AB30 Alarm Clock is great for both travel and home. The Quartz controlled battery alarm clock has an easy to read dial and operates on a single battery. Parts of the Braun travel alarm clock are made from various locations around the world but all Braun clocks still use the precision German movements that are known for their high accuracy and silent movement. The clock requires 1 AA battery which is included.