System Sensor P2RLED-LF Wall Mount Low-Frequency Sounder Strobe

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System Sensor P2RLED-LF Wall Mount Low-Frequency Sounder Strobe, Red The P2RLED-LF has a 520 Hz square wave tone for enhanced audibility in sleeping areas (hotels, dorms) to meet N FPA 72 requirements for low-frequency alarms, differing from standard models with higher frequency tones. Features Includes 520 Hz square wave tone for low-frequency audible alerts Compliant with NFPA 72 for sleeping area alarms Wall mount design Red LED strobe for visual signaling Low-frequency sounder tailored for hotels and dorms Show more