This sweetheart alarm clock has a unique multi coloured style it has a built in pulsating alarm light extra loud pulsating audio alarm and is a powerful bed shaker ideal for those with poor hearing as it includes an adjustable volume and tone control with extra loud pulsating alarm 80db featuresunique multi coloured display built in pulsating alarm lightextra loud pulsating audio alarm adjustable volume and tonepowerful bed shakerhilow dimm