About this item

• ◎The carbon monoxide detector constantly checks Carbon Monoxide concentrations to ensure the safety of your household. It functions with 2 * 1.5V AAA batteries (not included), making it portable and simple to install. There’s no need for an electrical outlet, and it remains unaffected by power outages, allowing for installation in any location!
• ◎Simple to use,with a single test/reset button,when a dangerous level of carbon monoxide is detected the red LED will flashes and a loud alarm pattern will sound--Loud 85 decibel alarm with LED Flash.
• ◎Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.To ensure complete protection make sure to place one on each level of your home and in each bedroom.
• ◎Alarm standard: 30ppm，the display displays the concentration;50ppm, alert within 60 to 90 minutes; 100ppm, alert within 3 minutes; 300ppm, alert within 3 minutes. Note: When you test the detector, please do not use gas blow the hole directly.
• ◎All CO alarms are rigorously tested.We promise and guarantee the customer service by providing a response to any questions, concerns, and inquiries within 24 hours.