Electromechanical siren lk-jdl400 Description Lk-jdl400 is an omnidirectional siren fro 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. Please specify the voltage when placing orders with us. Sound rating 120f+2db(c) @1m Single or three phase motor 2.2kw, 220/240/380/400/440v ac, 50/60hz Ip rating Ip44 Output frequency 500/560f+20hz Single tone Net weight50kg Carton size75x63x71cm Net weight50kg carton size75x63x71cm