About This 5-in-1 Carbon Monoxide Detectors: This upgraded smoke and carbon monoxide detector can monitor carbon monoxide, smoke, temperature, and humidity in real time. As a practical co detector, it adds three levels of brightness and volume adjustments to meet different usage needs for day and night, making it your ideal choice. LCD Display and Dual Alarm System: Carbon monoxide detector features a clear LCD display, providing a clear view of all dynamic data. When the co concentration reaches the preset threshold 150 PPM, the co detector will emit a loud alarm of ≥85 decibels and flash a red light, ensuring you can sense danger with smoke alarms and react quickly even while you sleep. Battery Backup for 24/7 Protection: This practical home essentials smoke alarm and carbon monoxide detector features a "plug-in power + backup battery" design (battery not included), enabling the smoke detector to operate continuously during power outages and when you’re traveling, this plug-in carbon monoxide detector providing 24/7 protection for you and your family. Portable & Compact Design: This portable carbon monoxide detector combines a small size with plug-and-play functionality, making this portable co detector for travel easily fit into a handbag, suitcase, or be installed in a bedroom, kitchen, RV, or hotel. This travel carbon monoxide detector is an ideal and reliable companion for everyday use and travel. Setup Instructions: Before using smoke & carbon monoxide alarms, please remove the protective film from the screen. The smoke alarm will automatically start after being plugged in. Wait 180 seconds for warm-up, then press the test button to trigger the self-test alarm. Overview Brand : Nicbee Style : MR818B,1-Pack Material : ABS Manufacturer : Shenzhen Murui Technology Co., Ltd. UPC : 725878216819
