Carbon Monoxide Alarm, Home Wall Household Leakage Indoor Battery Powered Coal Gas CO AlarmSpecification Material: plasticColor: whiteDetection gas: carbon monoxide (C0) Alarm mode: audible and visual alarm, LED blue light Power supply mode: 3 No. 5 batteries Concentration range: 0-999PPM Alarm volume:80dB Alarm concentration: 150PPM alarmPackage list:1 set of alarmFriendly Tips If the weather is bad or a natural disaster occurs, the product will not deliver on time. Hope you forgive me. Because manual measurement, there will be some error, which is normal.Promise If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.
