Hand Held Siren

The hand held air raid siren is an energy-independent alarm and signaling device that was used earlier as an air raid and fire alarm. With minimal effort, maximum volume is reached. By turning the crank, a howling sound is produced even at low speed, which increases in volume with increasing speed. By pressing the lever, doors are opened providing additional air supply creating a deafening sound that is heard even further away. This siren can be used in public facilities such as schools, fire department, THW, construction sites etc. Also suitable for Carnival events, as a gag at club parties or in he sports stadium etc.. Aluminum pressure housing with collapsible handle and hand crank. - Weight 1,200 g - Siren diameter 115 mm - Folded size approx 125 x 125 x 130 mm. - Sound pressure level (1m): 110dB (+/- 2 dB) - Tone frequency depends on the speed 550 Hz (20 Hz +/-). Supplied with a Canvas carry case.