Digital Carbon Monoxide Detector CO Alarm Detector with LED Indicator High Sensitive Gas Detector Sound Warning Gas Leak Sensor

Battery Included : No High-concerned chemical : None Model Number : Carbon Monoxide Detector DIY Supplies : Woodworking Origin : Mainland China Certification : NONE Origin : Mainland China DIY Supplies : Woodworking Product size 1 : 100.00x100.00x40.00mm Product size 2 : 3.94x3.94x1.57inch Detection gas : CO, carbon monoxide Alarm method : on-site alarm, sound + flash (auditory + visual) Style/Color : Digital screen display/white Sensor Type : Electrochemical Working environment : temperature 5~40°C, humidity 20~90%,