A small internal optical-acoustic siren SPW-220-BL is designed for intrusion and assault alarm systemsThe light source is LEDs, while the sound signal is generated using a piezoelectric transducer
The external housing of the siren is made of high-impact polycarbonate, thanks to which it is characterized by very high mechanical strength and guarantees the aesthetic appearance of the siren even after many years of operationThe design of the siren provides a high degree of tamper protection (against opening and against detachment from the ground)