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

General Description: Combined carbon monoxide (CO) and smoke detector, equipped with an advanced electrochemical sensor for accurate detection. It warns of dangerous concentrations of smoke or CO with flashing LEDs and a loud alarm sound. The LED screen displays the CO concentration in real time, ensuring optimal protection. Technical Specifications: Color: White; Material: ABS; Detection Gas Type: CO, Smoke; Alarm Mode: Flash + Loud Alarm Sound; CO Sensor Type: Electrochemical; Operating Temperature: -10 ~ 60 °C; Relative Humidity: 10 ~ 95% RH; CO Sensitivity: 000-999 ppm; Alarm Sound: ≥75 dB (at 1 meter); Alarm Concentration: 50 ppm (screen lights up, human voice alarm at 150 ppm); Power Supply: DC 3V, 2 * AAA batteries (not included); Product Size: 6*6*2.5 cm / 2.3*2.3*0.98 inches; Product Weight: 70 g / 2.4 oz. Compatibility and Accessories: Suitable for home environments such as bedrooms, living rooms, kitchens, etc. Included: 1 * Detector, 1 * bag of screws, 1 * User manual. Installation: Easy to install thanks to the included bag of screws. Simply attach the detector to the wall in the desired location. Operation: Powered by 2 AAA batteries, this detector requires no charging or cumbersome wiring, making it convenient to use. Be sure to check its operation regularly.