SWL1100FR is an industrial wall-mounted sounder beacon unit designed to provide combined audible and visual alarm signalling in fire, security, and industrial safety applications. It forms part of a high-performance alarm notification range used in environments where clear warning signals are required, including commercial buildings, warehouses, factories, and external installations. The unit typically features a red flame-retardant housing and is designed for reliable operation in demanding conditions, supporting evacuation and emergency alert systems.