Dependability & Precision: Equipped with a state-of-the-art electrochemical carbon monoxide sensor, it precisely measures carbon monoxide levels. In the case of a potential hazard, the detector sound a loud 85-decibel alarm as an immediate warning. Built-In 10-Year Battery: This CO detector features a sealed lithium battery that offers 10 years of continuous power, eliminating the need for frequent battery replacements. Additionally, it can be turned off when not needed to conserve battery life. Real-Time LCD Display: The spacious LCD display provides a persistent and unmistakable view of CO levels, even when they are at zero. Its built-in backlight guarantees visibility in low-light conditions, facilitating seamless and round-the-clock monitoring. Intuitive LED Indicators: The CO alarm features 3 LED indicators that provide clear information about its working status. A green LED indicates normal operation, a red LED indicates an alarm, and a yellow LED indicates a failure. Flexible Installation: This carbon monoxide alarm features a versatile design, making it easy to place on a tabletop or mount on a wall. Its portability also allows you to take it with you while traveling (-approved), ensuring your safety wherever you go. Colour:White Material:plastic Package Contents: 1 * Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.