X-SenseNetworked Smoke Alarm with 10 Year Battery, Fire Alarm with Mute Switch, Conforms to EN 14604 Standard, SD19-W, Set of 3

X-Sense Wireless Interlinked Smoke Alarm Detector with Sealed 10-Year Battery, Interconnected Fire Alarm Conforms to EN 14604 Standard, Link+, SD19-W, 3-Pack

X-Sense Wi-Fi Heat Alarm with 7-Year Sealed Battery and Easy Setup, Compatible with the X-Sense Home Security App, SBS50 Base Station Required, XH02-M