Feature:1. Portable and Travel: This carbon monoxide detector is designed to be compact and portable, making it ideal for travel and on-the-go use. It can easily fit into your bag or luggage, ensuring that you are protected from carbon monoxide wherever you are.2. All-weather Continuous Monitoring: With this carbon monoxide detector, you can have peace of mind knowing that it provides round-the-clock protection against carbon monoxide leaks. Its advanced electrochemical sensor offers high sensitivity in detecting carbon monoxide levels, allowing you to take immediate action if dangerous levels are detected.3. LCD Display and LED Indicators: Equipped with a clear LCD display, this portable carbon monoxide detector provides real-time readings of carbon monoxide concentration. Additionally, it features LED indicators that provide visual alerts when dangerous levels are detected. You can easily monitor the status of carbon monoxide levels in your surroundings.4. Audible and View Alarms: When dangerous levels of carbon monoxide are detected, this carbon monoxide alarm will activate a high-decibel alarm, alerting you and those nearby. Simultaneously, a red LED indicator will flash, providing a clear view warning. This ensures that you receive immediate alerts of potential carbon monoxide threats.5. Long-lasting Battery Life: This carbon monoxide detector is powered by batteries, offering long-lasting performance. You can rely on its continuous monitoring capabilities without worrying about frequent battery replacements. Rest assured that you and your loved ones are protected from the silent dangers of carbon monoxide.Specification:Detectable Gas: CO, Carbon MonoxideAlarm Mode: Scene alarm, sound + flash (auditory + visual)Power Source: Battery Powered, 3 AA batteries (not included)Sensor Type: ElectrochemicalWorking Environment: Temperature 5~40, humidity 20~90%Product Color: WhiteProduct Quantity: 2 Pack, 3 Pack (optional)Product Size: 6 * 6.4 * 2.8cm/2.4 * 2.5 * 1.1inchPackage List:2 * Carbon Monoxide Detector2 * Screw Pack1 * Manual