X-SenseSmart Smoke Detector with Voice Alerts and 17 Locations, Wi-Fi Smoke Alarm with SBS50 Base Station, Test from APP, Wireless Interconnected Fire Alarm, Model XS0B-MR61

X-Sense Smart Smoke Detector with Voice Alerts and 17 Locations, Wi-Fi Smoke Alarm with SBS50 Base Station, Test from APP, Wireless Interconnected Fire Alarm, Model XS0B-MR61

X-Sense Combination Smoke and Carbon Monoxide Detector with Voice Location, Interconnected Smoke Detector Carbon Monoxide Detector Combo with Base Station (Not Included), Model XP0A-MR, 1-Pack

X-Sense Smart Heat Alarm XH02-M with 10-Year Sealed Battery, SBS50 Base Station Required, Model XH02-M, 1-Pack