Smoke and Carbon Monoxide Detector, 2 in 1 Smoke Detector with LCD and LED, Battery Operated Fire Alarm for Home, Apartment, RV & Travel, White, 4 Pack
【2-in-1】This smoke alarm is a combination of smoke detector and carbon monoxide detectors, providing dual detection for both visible and invisible hazards, giving you double the peace of mind
【360° & 85dB】360° high-sensitivity detection chip and 85 dB loud alarm sound (like a car horn) let you sleep peacefully. One-touch test function and regular self-check ensure the device is always working properly
【LCD & LED】LED always displays carbon monoxide concentration. Red LED: Flashes during alarm condition Green LED: flashes every 40 seconds (normal operation)
【5-Year Battery Life】 The smoke and carbon monoxide detectors are powered by lithium batteries and low-power technology; the end-of-life indicator light for the 3 AA batteries will remind you when it is time to replace them
【Wide Applications】 Made of ABS material and featuring a unique polygonal design, this smoke and carbon monoxide detector is suitable for warehouses, offices, hotels, schools, homes, theaters, factories...
【365 day Limited warranty】CCCF fire certification, Uninterrupted 24/7 protection. Comes with instructions to ensure proper use. Note the color change of the indicator and regular self-check