CSA Matter Certified
Certificate: CSA259E8MAT47418-24What’s Matter What’s Inc. Window and Door Sensor
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Amazon
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2
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May 20, 2026
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Detects open and close status of door or window, (Certified by CSA: CSA259E8MAT47418-24). Verified Matter device from What’s Matter Inc..
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Last checked: Feb 28, 2026
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Last checked: Feb 28, 2026
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What’s Matter What’s Inc. Window and Door Sensor
CSA certified• $83.95• Amazon