Combination Carbon Monoxide and Smoke Alarm with Digital Display, Battery Operated Smoke and Carbon Monoxide detectors 1-Pack

【Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector】: Combines both photoelectric smoke and carbon monoxide detection in one device. 【Digital Display】: Shows the presence of smoke and carbon monoxide levels with an easy to read, digital display. 【Battery-Operated】: Powered by a battery rather than being connected to an electrical source. making it easy to install and maintain. 【Smoke Carbon Monoxide Alarm Detector】: This alarm detector can detect both smoke and carbon monoxide, providing early warning for potential dangers. 【Checking the Detector Working Status：】After installing the batteries, the unit will automatically turn on and when you press the "Test" button, the unit will sound an alarm for a few seconds to indicate that it is working and then the LCD display will remain stationary. The green LED will flash every 60 seconds or so to indicate that the unit is operating normally. ›See more product details ›See more product details