Product Details: MS-490 motor siren comes with high volume AC 220V, 230W power. High quality industrial alarm sound features aluminum and steel material. Cost-effective alarm/siren is applicable to mines, university towns, urban air defense warnings and natural disaster warnings. Features MS-490 motor siren comes with high volume 110dB-120dB, continuous sound, strong penetration, drives the wind screw siren to sound the alarm, which sounds like an electric drill, easy to find the alarm in time. The MS-490 motor siren is suitable for cranes, ships, farms, mines, reservoirs, airports, fire, factorys, workshops warehouses, etc. as warnings, signals and alarm horns. There are four pre-drilled holes on the solid base for easy installation with four screws. Just connect the industrial alarm to the power source, then it will work. The motor driven siren features quality pure copper motor, is not easy to generate heat and damage, durable, stable working, long life span, durable shell.
