Advanced CO detection: The carbon monoxide detector features a highly sensitive sensor capable of detecting carbon monoxide concentrations within the range of 0-999ppm. It provides accurate and precise detection of low CO levels, offering early warning for potential threats. LCD display with real-time data: The built-in LCD display enables real-time monitoring, allowing users to easily read and interpret current CO levels in the surrounding environment. The clear and intuitive display ensures quick understanding of detected CO concentration. Immediate alarm and visual indication: If carbon monoxide levels rise, the detector activates an audible alarm to alert occupants. Simultaneously, the LCD display shows a prominent flashing warning to help prevent CO exposure. Low battery warning: The portable carbon monoxide detector includes a low battery indicator to notify the user when battery replacement is needed. This feature ensures continuous and reliable operation. Compact and portable design: The compact design allows for easy placement in various locations at home or in the workplace. Its small size supports convenient portability, making it suitable for use in hotels, dormitories, RVs, cars, and other temporary accommodations. Material: Plastic Color: White Package Contents: 1 x Detector Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3cm.