X-Sense Smart Smoke Detector XS01-M, Wi-Fi Smoke Alarm, an Accessory for FS31 Smoke Alarm Kit, Wireless Interconnected Mini Smoke Detector Fire Alarm, Model XS01-M, Single Pack - Amazon.com
X-Sense Smart Smoke Detector Fire Alarm with Replaceable Battery, Wi-Fi Smoke Detector, App Notifications with Optional 24/7 Professional Monitoring Service, XS01-WX, 3-Pack - Amazon.com
X-Sense | XS01-WX Wi-Fi Smoke Alarm/Detector
X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, Compliant with UL 217 & UL 2034 Standards, SC06 - Amazon.com
X-Sense Wireless Interconnected Smoke Detector Battery Powered Fire Alarm with Over 820 feet Transmission Range, XS01-WR Link+, 6-Pack - Amazon.com
X-Sense Smart Smoke Detector with SBS50 Base Station, Wi-Fi Smoke Alarm Compatible with X-Sense Home Security App, Wireless Interconnected Mini Fire Alarm, Model FS31 - Amazon.com
Photoelectric Smoke Alarm with Escape Light|SD01-PD02