About this item

• Accurate, Reliable, and Sensitive 2-in-1 Alarm: Features a photoelectric smoke sensor and an electrochemical CO sensor that work independently of each other; Every second counts; Detects both fast and slow burning fires and notifies you immediately when a dangerous smoke or CO concentration is detected while minimizing false alarms; Provides the ultimate protection from a double lethal threat, all contained in one device.
• LCD Display: Clearly displays the real-time concentration of carbon monoxide (CO) in the surrounding air, as well as remaining battery life and the alarm's operating status.
• Test and Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarms. 100 dB loud siren can be easily heard. In the event of a false alarm, press the alarm.
• Easy to Install and Use: The alarm can be easily installed with the mounting bracket, no more hard wiring. Very easy to install in your home or bedroom - wall mounted with screws included.
• Checking the working status of the detector: After installing the batteries, the unit will automatically turn on. When the “Test” button is pressed, 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 flashes every 60 seconds or so to indicate that the unit is operating normally.