Smoke and Carbon Monoxide Alarm Smoke Detector

Features:
Smoke and carbon monoxide detector offer excellent security, making a loud alarm when it detects a buildup of smoke or carbon monoxide, and instantly alert those in danger, ensure the safety of personal life.
Built-in electrochemical sensor with high accuracy and infrared photoelectric sensor, high stability, and sensitivity, reduces false alarms. Alarm memory function, produce memory after the last test, more sensitive next time.
Low current consumption, long standby life, powered by 3 AA batteries (not included), low battery prompt.
Alarm concentration: 50PPM.60～90 minutes; 100 PPM.10～40 minutes; 300 PPM. 3 minutes.
Combined Carbon Monoxide and Smoke Alarm, a single alarm can be installed where previously two were needed. Reduce installation time and help to keep home decoration attractive.
Hush mode features temporarily silences nuisance alarms. If the alarm had detected a CO level of 100ppm or higher, the unit will alarm to warn of the CO incident when the Test/ Reset button is pressed.