X Sense Carbon Monoxide Alarm, Portable Alarm for Travel, Built in 10 Year Battery Powered, Model XC0K SN, 1 Pack

10-Year Battery Power for Continuous Protection: The built-in high-performance lithium battery keeps the device running for its entire lifespan—no replacements or calibration needed; install once and enjoy a decade of continuous protection for your family Compact Design, Flexible Placement: With sleek, modern lines, this lightweight device ( 9.5 × 9.5 × 3.1 cm) requires no installation—just place it on a desk or countertop; perfect for home or travel, it fits easily in luggage without taking up space Clear, Informative LCD: Allows you to know the real-time CO levels and battery status at a glance; only lights up during button operation or when an event is triggered, never disturbing sleep Tri-Color LED Indicator: Green indicates normal operation; yellow warns of a fault; red shows an alarm, prompting you to call the fire department to inspect for possible leaks Exclusive Peak Button: With one press, the LCD shows the highest CO level detected since the last reset; even if you’ve been away, you can instantly check for potential risks—ideal for frequent travelers or people who are often away from home, Weight: 0.45635688234 pounds, Manufacturer: X-Sense