Compro roshini low profile sounder compro rolprd the compro rolprd is a red roshni low profile rolp fire alarm this roshni alarm is the markets leading conventional alarm sounder although it can be utilised in much wider applications such as security general signalling and process alarms the wide operating voltage and range of tones available to the user makes this flexible sounder supremely adaptable in even its most basic form compro rolprd roshini low profile sounder red