Loznron Smoke Detector Carbon Monoxide Gas Alarm Carbon Monoxide Alarm  (Ceiling Mounted)

High-precision & Sensitivity Sensor: High Reliability Electrochemical Sensor, Excellent Repeatability and Stability, Sensitive Response, Rapid Alarm Microprocessor Intelligent Identification: When carbon monoxide gas leaks or smoke is detected, it can quickly identify the gas and issue an alarm of more than 85 decibels to avoid dangerous accidents and ensure the safety of people and property Power Saving Design: When there is no carbon monoxide gas and a lot of smoke in the surrounding environment, the device display will automatically turn off the screen and turn on the power saving mode Easy to Install and Use: The alarm can easily install with mounting bracket.No hardwired anymore Value Package Includes: Carbon Monoxide & Smoke Detector, 2 Screws, 2 Anchor Plugs,User manual Usage Tips: Powered by three AA batteries, this Smoke Carbon Monoxide Detectors requires to power on and 100 seconds preheat (Don't use the test button when it's preheating)