Wind screw alarm mini-motor alarm buzzer ms-190 industrial electric co - alarm

Special aluminum alloy material, heat treatment processing, moisture-proof, corrosion resistance; It has the functions of preventing wind and sand, building nest and so on. Quick start, smooth operation, bright sound source, strong penetration, large sound coverage; Scope of use: used in civil and civil defense alarm systems; Alarm systems for mines, blasting, prisons, reservoirs, power stations, substations, airports, police stations, military bases, etc.; Sound alarm for natural disasters such as earthquake, tsunami, flood, flood, flood control and disaster relief, debris flow, landslide, typhoon, fire, minefield, forest fire prevention, etc. Fire and emergency alarm systems in factories, schools, wharves, warehouses, public buildings, commercial areas, residential areas, ports, etc