... .Ringtones from low to loud, slow to fastDescription:1.Time display: hours / minutes / seconds display2.Alarm function: alarm function, you can ... also widely used in sports, workshops, public places, supermarket hall, large shopping malls, bus, warehouse, classroom, bus stations, train stations, subway ... )320*90*56mm/12.6*3.5*2.2inch Digital Large Big Jumbo LED wall desk alarm with world time travel ...