Outdoor optical-acoustic siren SD-3001-O performs the signaling function in two ways: optically (flashing red lamp) and acoustically (modulated sound signal at high volume)The sound signal is generated by means of a dynamic transducerThe design of the siren provides a high degree of tamper protection (against opening and against detachment from the ground)
The external casing 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 operation