MP120K Mounting Plate • Designed for both indoor and outdoor use • Plug-in design eliminates ground faults • Power supply that converts 120 VAC to nominal 24 V FWR • Compatible with all two-wire SpectrAlert Advance® devices Color Lens Attachments • Easily turns any device into a strobe for ECS/MNS events: severe weather, toxic gases, sprinkler activation and more • Outdoor rated from −35°F to 151°F • Wall- or ceiling-mount lenses available • UL 1638 listed WTP Weatherproof Plates • Enables flush mounting of outdoor devices to brick, ceramic tile, concrete, and masonry brick • Weatherproof NEMA 3R rated • For use in both indoor and outdoor applications • For use with all K-R series (outdoor) products replacement models • Universal mounting plate easily attaches to the weatherproof plate.