LK-STH21-2 is an omnidirectional dual-tone siren for vertical mounting. The casing and horns are made of stainless steel, which will give a long service life when mounted outdoors. Powered by a three phase motor. It is designed for roof or pole mounting. It can be used in:

• Civil defence warning ststems of major cities all over the world.
• Fire warning systems of community, main factories, mines, buildings, froests, wharf, etc.
• Warning for natural disasters of earthquake, tsunami, flood, etc.
• Warning for accidents of reservoirs, dams, jails, airports, army, etc.

Please specify the voltage when placing orders with us.