Wireless interlinked combination smoke and carbon monoxide alarm. Wi-Fi. Sc07-w

brand new inbox never opened never used. x - sense, your trusted home safety innovator Wireless interlinked combination smoke and carbon monoxide alarm, connects to your wi-fi, connects to your phone's and it does not cost any money to set up notifications to notify you if something is going on at your home while you're away. links up to 24 x cents Link Wireless alarms, detects both smoke and carbon monoxide levels in the surrounding air, high performance photoelectric smoke sensor and electrochemical sensor for high sensitivity, accuracy and reliability, extra loud buzzer with over 85 DB volume for clearly audible alarming/ manufactured in accordance with the UL 217 and UL 2034 standards/real time display of the accurate Co concentration on the LCD/ high capacity sealed lithium battery for 10 years of reliable operation/ end of life warning: once the maximum lifetime quote (10 years) is reached, the alarm beeps three times every 60 Seconds to notify you that the lifespan is up and it is time to replace the unit.