The GHLF Series is a low profile, low frequency audible appliance that offers a 520 Hz square wave audible alarm with the most efficient (dBA to mA ratio) current draw available.
The GHLF Series produces a temporal 3 tone with a jumper selection for normal or loud decibel tone. Listed to ANSI/UL 464, CAN/ULC, applicable IBC/IFC/IRC Standards and NFPA 72.
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