LK-JDL400 warning siren is motor driven siren off the traditional air raid type warning signal
designed to give effective waning over wide areas.The powerful low frequency sound is ideal for covering long distance and is instantly rcongnisable an omnidirction siren
for vertical mounting. Powered by a single phase or three phase motor. It is designed to be used in:

• Civil defence warning systems of major cities all over the world
• Fire warning systems of community, main factories, mines, buildings, etc.
• Warning for accidents of reservoirs, dams, jails, airports, army, etc.
• Natural early warning system of tsunami ,hurrican and tropical storm,earthquake,volcanic eruption