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Wireless alarm siren / very high-power - 600 W, 140 dB| MTC-600
MTC-600 high power mass notification siren are widely applied in petrochemical,mining,power station,dam,natural hazard warning,military base,prison and campus,which require mass alerting and notification.Five general alarm tones are integrated,Siren(Air-Raid),Fire (Wail), Pi-Pi-Pi Short Interval(Machinery Fault),Pi-Continuous (High Expansion Foam Release),Horn (Air Whistle),which carry out alarm tasks...