Jdw450-2 4kw 7.5kw Large Electric / Electromechanical High Power Mine Reservoir Special Air Defense Alarm/Siren

Jdw450-2 4kw 7.5kw Large Electric / Electromechanical High Power Mine Reservoir Special Air Defense Alarm/Siren. High Sound Pressure Level: Reaches 125.8dB at 5 meters radius for effective long-range alerting. Rapid Start-Up: Starts within 3 seconds ensuring immediate response in emergencies. Durable Aluminum Alloy: Constructed with heat-treated alloy for strong moisture and corrosion resistance. Robust Weather Protection: IP44 rating with wind, sand, and bird nest prevention features. Strong Penetration Power: Delivers loud sound with smooth operation and no jamming issues. Versatile Application: Suitable for mines, blasting sites, prisons, reservoirs, and power stations. Customizable Power: Available in 4kw and 7.5kw options to meet specific power needs. Wireless Transmission: Operates with wireless alarm signal transmission for flexible installation.