Gas Detector, Combined Carbon Monoxide Smoke Detector, Battery-Operated CO Smoke Detector with LED Display, Flashing Alarm, Audible Warning Pattern - White

[Combined CO and Smoke Detector] With an advanced electrochemical carbon monoxide sensor and a photoelectric sensor, CO and smoke detection is accurate. [Loud and Flashing Alarm Pattern Warning] When a dangerous concentration of smoke or CO is detected, it will warn you with flashing LEDs and a loud alarm sound. [LED Display Screen] Clearly displays the real-time carbon monoxide concentration in the surrounding air. [Battery Powered] Powered by 2 AAA batteries (not included), no charging required, no messy wires, convenient to use. [Easy to install] Comes with a bag of screws, easy to install the detector on the walls of the bedroom, living room, kitchen, etc.