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, 1-Pack

Cost-Free Real-Time Notifications: Control the XS01-WX smart smoke alarm remotely via the mobile app and get quick app notifications for alarms, faults, and low battery warnings
Direct 2.4 GHz Wi-Fi Connection: The battery-powered smoke detector can be connected to the X-Sense Home Security app via the 2.4 GHz Wi-Fi network without a base station
10-Year Sensor Life: This smoke alarm comes equipped with a photoelectric sensor that detects slow-burning and smoldering fires and has a long lifespan of up to 10 years