SITERWELL 2.4G WiFi Smoke Detector Carbon Monoxide Detector Combo, 2 in 1 Smart Fire and CO Alarm Detector, Voice Alert, Replaceable Battery, Auto-Check, Conforms to UL 217 & UL 2034 Standards, 1 Pack

Real Time Notifications – If you’re having trouble with your wireless connection, SITERWELL Customer Service is here to help. The 2.4 GHz WiFi smoke and CO detector provides smart protection for your home, and you’ll receive real-time notifications on your smartphone whenever an alarm is triggered or any status change occurs.
Unique Voice Speaker – This smoke and CO detector alarm features a unique voice speaker that distinguishes between smoke warnings and CO warnings. The voice warning system clearly communicates what’s at stake, reducing confusion and helping people maintain order.
Self Check Function – SITERWELL smoke and CO combination detectors have a self-check feature that replaces manual testing. When a detector fails to work, it will notify you as soon as possible to ensure you are effectively protected.