The USI Electric Natural Gas and Carbon Monoxide Smart Alarm is a 2-in-1 device that combines two crucial safety features into one device, offering enhanced protection with just one installation. This hardwired carbon monoxide and gas alarm operates on a 120-volt AC/DC power supply and includes a backup battery. This CO monitor is equipped with several advanced automatic features. It conducts self-diagnostic checks to verify that it is functioning correctly, allows for sensitivity adjustments to accommodate variations in temperature and humidity, and includes a warning system to alert you when the battery needs replacement as it approaches the end of its service life. This gas detector and carbon monoxide alarm is specifically created for use in houses, apartments, and mobile homes, providing safety in a range of living situations. Secure the carbon monoxide and gas detector to a standard wiring junction box, using the larger mounting base to effectively conceal any imperfections in the drywall. This kit features a Wholesalehome cloth designed to safely clean your alarms, preserving their appearance and ensuring they remain in excellent condition. These carbon monoxide and gas detectors will effectively safeguard your home against harmful carbon monoxide and the dangers of natural gas, ensuring the safety and well-being of your family.