Martinshorn, signal horn on an emergency vehicle, compressed air

Loud air horn hi-res stock photography and images - Alamy

Emergency Air Signal Horn

Emergency Air Signal Horn

Emergency signal hi-res stock photography and images - Alamy

Emergency vehicle hi-res stock photography and images - Alamy

7 Tone Sound Loud Car Siren Vehicle Horn Hooter/Ambulance/Siren/Traffic Sound with Black Remote Controller 12V 100W : : Automotive

FIAMM MC4 Pneumatic Siren System

SPECIAL # Taiwan Ambulance & German Siren - Inside View - Martinhorn 2298 GM & Hänsch Typ 624

Loud air horn hi-res stock photography and images - Alamy

7 Tone Sound Loud Car Siren Vehicle Horn Hooter/Ambulance/Siren/Traffic Sound with Black Remote Controller 12V 100W : : Automotive

Ambulance siren emergency hi-res stock photography and images - Alamy

MC4-FD-12V / TA/2-906-V (921116-920392), Pneumatic Priority Siren for German, Austrian and Swiss priority vehicles, such as ambulances and fire

Germany - Austria | Emergency (Pneumatic)

Marine Navigation Air Horn System Complete 20-75 Meters

Buy the EU compliant emergency air signal horn. Provides a loud warning of 120 dB and is ideal for use on building sites as a temporary alarm

Emergency Air Signal Horn