Smoke Detector Carbon Monoxide Gas Alarm, Fire Carbon Monoxide (CO) Detector 2 in 1 with Digital Display and Sound Light Alarm, Battery Operated Suitable for Bedroom Warehouse Kitchen or RV Travel

From the brand

Advanced Sensor Detection

Highly sensitive photoelectric smoke sensor and electrochemical co sensor

HuiDeonne detector is reliable

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)