The SpectrAlert Advance series from System Sensor contains wall-mount horns, strobes, horn/ strobes, chimes, chime strobes, ceiling mount strobes and horn/strobes. Outdoor SpectrAlert Advance products include ceiling mount strobes and horn/strobes. Both indoor and outdoor feature a plug-in design that allows installers to pre-wire mounting plates and check wiring continuity before installing any devices. Other features include 11 field-selectable candelas on wall and ceiling products, a higher sound output on horns and horn/strobes and a rotary switch for horn tone selection. System Sensor

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