Voltage 12 to 24V, Mounting Wall, Features Horn Rated at 88+ dBA at 16 V, Rotary Switch for Horn Tone and Three Volume Selections, Tamper-Resistant Construction, Temporal and Non-Temporal Tones, Standards CSFM Compliant 7135-1653:189, FM 3023572, MEA Approved MEA452-05-E, UL Listed S4011, ULC Listed, Color Red, Includes Universal Mounting Plate, Outdoor Wall Horn
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