Features: Ensure the safety of your home and loved ones with this intelligent portable air quality detector. Monitor carbon monoxide concentration, temperature, and humidity accurately. This multifunctional detector features a high accuracy electrochemical sensors and a large digital screen for easy reading. The alarm function provides timely alerts for potential dangers. Suitable for homeowners, office workers, and traveler who value their health and safety. Perfect for use in homes, offices, schools, and agricultural environments. Take this compact and lightweight detector with you wherever you go. Whether it's for a trip or staying in different accommodations, you can easily monitor the air quality and ensure a comfortable environment. Stay aware of the air quality around you and make informeds decisions to protect yourself and your family. This portable air quality detector is designed to provide accurate readings and promote a healthier living space. Specifications: Material:ABS, Electronic Component Size: Approx.40x98mm/1.57x3.86inch Color:Black Package Includes: 1x Carbon Monoxide Detector note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.