CSA Matter Certified
Certificate: CSA259E8MAT47418-24What’s Matter Inc.Smart Home
What’s Matter Window and Door Sensor
CSA CertifiedDirect retailer link
$83.95
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Detects open and close status of door or window,
Wi-Fi
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Last checked: Feb 28, 2026
Last checked: May 20, 2026Price confidence: recently verified
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What’s Matter Window and Door Sensor
CSA certified• $83.95