201ppm (high-frequency alarm=danger), travel carbon monoxide detector accompanied by a continuous "beep" loop alarm soundLong endurance+Type-C fast charging: The carbon monoxide detector battery is powered by an electrochemical detection chip, a 1000mAh lithium polymer battery, and Type-C fast charging technology, with ultra-low power consumption and efficient computation, resulting in a standby time of about 5-7 days without worrying about frequent charging. The ideal choice for camping, traveling, RV vacation or outingEasy to carry and observe: wireless carbon monoxide detectors portable Size 3.7 x 2.2 x 0.69 inches, weight only 0.17 pounds! This portable carbon monoxide detector features a folding bracket design that allows it to stand on a countertop for easy observation. The portable carbon monoxide detector provides an additional outdoor lanyard that can be hung on a backpack or tent, making carbon monoxide detectors battery very convenient for you to carry during travel, vacation, RV camping, or outdoor activities.carbon monoxide detectors with battery is suitable for monitoring devices for travel, portable carbon monoxide detector is the best choice for every family's travel" />
