Standalone Alarm Range The range includes three portable self-contained units which are battery operated, and can be used anywhere in your home. Whether securing your caravan, a particular room in your house, a shed, conservatory or greenhouse, the entire range is covered by a two-year guarantee. A stand alone alarm can offer a convenient solution to students and property renters alike, providing security measures without permanent modifications to a property. Holidaymakers, too, can benefit from the range as additional security provisions. You can learn more about Yale Stand Alone Alarms, by reading the product specification or by contacting your local stockist.