Photo 1 of X-Sense 10-Year Battery Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft Transmission Range, SD19-W, 3-Pack (RF Interconnected)

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Photo 1 of X-Sense 10-Year Battery Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft Transmission Range, SD19-W, 3-Pack (RF Interconnected)Photo 2 of X-Sense 10-Year Battery Wireless Interconnected Smoke Detector Fire Alarm with Over 820 ft Transmission Range, SD19-W, 3-Pack (RF Interconnected)