Battery-Operated&Easy Installation: This CO alarm is powered by large capacity 3x 1.5V AA batteries (included), and this combination smoke and carbon monoxide detector can be easily installed using the included mounting bracket, screws, and anchors. The detector's battery life is up to five years, and we also provide a lifetime free battery and product replacement service to save you money.
LCD Digital Displays & Multi-directional Sensing Hole: The informative LCD will show you the battery level and real-time CO levels in PPM (parts per million). If there is fire and carbon monoxide with a concentration over 0.1 % db/m, the blue light flashes rapidly. If CO is detected, the red light will flash. Dense gas-sensing holes can prevent alarms from causing false alarms and reduce your worries.
Safety Guarantee and High Quality: This product has passed the UL standard report issued by the laboratory accredited by ILAC ISO 17025/NRTL standard. We have complete certificates of UL217 and UL2034 testing. Protect yourself and your family from the silent danger of carbon monoxide with our top-of-the-line Carbon Monoxide Detectors. With its advanced detection capabilities, our Carbon Monoxide Detectors offer you an added layer of security and peace of mind. If you have any questions about Kesymo smoke and carbon monoxide detectors, please feel free to contact the Kesymo team, we will provide you with a Lifetime free after-sales service.