Smoke and Carbon Monoxide Detector Battery Powered Dual Sensor Combination Smoke, Led Indicator & Loud Sound Alert

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【Advanced Sensor Technology】This smoke and carbon monoxide detector designed with 2 in 1 photoelectric and electrochemical sensor to achieve real-time detection of smoke and carbon monoxide leakage, and send out instant alarm, ensuring complete safety and save your home and family from any potential danger 【LCD Screen & Indicator Light】Equipped with a large LCD screen, our battery operated smoke detector shows the the real time concentration value of carbon monoxide in the air and the remaining battery life. The 3-color indicator light changes in different status. The red light when alarm sends out, yellow for error, and green light continuous flashes to indicate low power and need replace batteries 【Accurate & All-Around Protection】It will ensure that smoke triggers the alarm instead of interference by taking 3 separate smoke samples from the surrounding air.360° air inlet ring ensures complete accurate inspection without blind spots. Ensure whole family protection with 24hours monitoring by placing 1 carbon monoxide detector on each level of your home, in your bedroom, habitable portions of basements and attics, and more 【Easy Installation & Operation】The co detector can be easily installed with included mounting brackets and screws. Powered by 3 AA batteries for easy replacement. Press the “Test” button to check if the device is working properly and to reset the smoke and carbon monoxide alarms. The alarm sounds loud so you easily hear. We are committed to offering qualified products and best customer service. Protect your home and family with smoke alarms!