Carbon monoxide alarm and smoke detector with digital LCD display

Product Name: Carbon Monoxide and Smoke Alarm Detector with Digital LCD Screen. QUICK AND EASY INSTALLATION: The plug-in design makes it super easy to install. Carbon monoxide is lighter than air, so it is recommended to install it at a distance of 30 cm from the ceiling. MULTIPLE FUNCTIONS: Malfunction and Low Battery warnings let you easily know the alarm's operating status; The test/silence button allows you to test the alarm weekly and easily turn it off when false alarms occur; In an emergency, an alarm tone of over 70 dB will sound throughout your home, immediately alerting everyone in the household, even those who are sleeping. ACCURATE, RELIABLE, AND HIGHLY SENSITIVE: Equipped with photoelectric and electrochemical CO sensors that operate independently of each other; alerts you immediately when dangerous concentrations of smoke or CO are detected while minimizing false alarms NOTE: It is not recommended to install it in corners, closets and other places where there is no air circulation, and it is forbidden to place it in places with oily smoke.