X Sense Carbon Monoxide Detector (Combo 1 XC0C MR with SBS50 Base Station), Replaceable Battery Powered CO Alarm Digital Display, Compatible Home Security App, MR11, Pack

Instant Alerts & Sharing: Get promptly informed of CO alarms, low-battery, or malfunction warnings; device sharing keeps family and friends informed of the real status of your house All-in-One App Control: Easily control the device in only one app, monitor real-time CO levels, test alarm status, silence alerts, and review historical data for added peace of mind Memory Retention Feature: Retains the memory after the alarm was triggered and when the CO concentration drops below the threshold; informs you of any CO leak threats even if the network is down or without phone One triggered, All Alert: This CO alarm can connect up to 50 devices through the base station; up to 24 devices via wireless connection; devices within the same network are triggered simultaneously Built to Last, Easy to Maintain: Featuring a 10-year electrochemical sensor for long-lasting, accurate monitoring; an additional 5-year battery life reduces maintenance, providing peace of mind