X-Sense CO Detector with Peak Memory, Carbon Monoxide Detector, Accurate Sensor with 10 Year Battery & LCD Display, TÜV Rheinland Certified According to EN 50291, XC04-R

X-Sense Carbon Monoxide Detector, 5-Year Replaceable Battery Carbon Monoxide Alarms for Home, Digital LCD Display CO Alarm Detector, Peak Value Memory, XC04-R

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