... of WAKE. 4,AlarmA,This clock has 8 group alarmB,The setting of alarm,In normal condition,Pls press C ... on.IF IT is dispalying ,it means the alarm is invalid,if if is displaying a specific time ... to adjust and ,then press A to set the alarm,when HOUR is flashing,u can adjust time by ... A to finish the Alarm setting.If u need more group alarm,pls press C to set the following alarm. Wall LED digital clock