X-Sense Smart Carbon Monoxide Detector XC01-M, Wireless Interconnected Portable CO Detector Works with SBS50 Base Station, an Accessory for X-Sense FS31 or FS51 Smoke Alarm Kit, 1-Pack

Expand Your Smart Home Your Way: The XC01-M is an accessory for FS51 smoke alarm kit that connects to the SBS50 base station; simply press the test/silence button to connect the XC01-M to the base station and add up to 50 devices; long transmission distance of 1,700 ft (500 m) Fast Fire Dispatch Within 3 Seconds: If you have subscribed to the Protect+ Premium which provides 24/7 professional monitoring service, you’ll get a fire truck dispatch within 3 seconds when a fire occurs Cost-Free Push Notifications: Monitor your home from anywhere and receive real-time push notifications for alarms, low battery, fault, and more via the X-Sense Home Security app; you’ll also be notified when the danger has passed Device Sharing Feature: Using the X-Sense Home Security app, you can share the home safety devices with your family members so that the shared users can check history, receive push notifications, and silence devices