4 Pack Mini Carbon Monoxide Detectors,CO Monitor Alarm Detector Battery Powered CO Sensor Detector with LCD Digital Display for Home,Travel(Batteries NOT Included)

The carbon monoxide detector alarm continuous monitoring of Carbon Monoxide levels to keep your circle of relatives secure with this easy-to-use digital display, battery-operated carbon monoxide alarm; low power saving mode carbon monoxide detector monitor alarm, Operated by 3×1.5V AAA batteries (not included),portable and easy to install, and not suffering from power failure, Can also be installed in the most places of Home, office.
Small in size darbon monoxide detector alarm (Diameter 2.75* Height 0.98inch), mighty in protection,Reliability Electrochemical Sensor, Excellent Repeatability and Stability, Sensitive Response, Rapid Alarm,Simple to use,with a single test/reset button,the red LED will flashes and a loud 85 decibel alarm sounds when CO levels reach dangerous.
Even Smaller than our hands palm,It is vitally portable,Carbon Monoxide Alarm CO Alarm Detector with Real-Time CO Digital Reading Display and Sound Alarm For Home ,Shuttle.To verify complete protection make sure you place one on every level of your home and in every bedroom.
Alarm Standard:The CO alarm time depends on the carbon monoxide concentration level. 50ppm, alarm within 90 minutes; 100ppm, alarm within 40 minutes; 300ppm, alarm within 3 minutes. Note: When testing the detector, do not blow the gas directly into the holes.
Our Carbon Monoxide alarms have been rigorously tested, and complies with UL standards.Value Package Includes: 4 x Carbon Monoxide Alarm ,4 x Screws,4 X double-sided glue,1 x User Manual, When you have any questions about our CO detectors, Please reach out to us anytime.