[3-in-1] Carbon Monoxide Detector | Humidity | Temperature, Portable Co Gas Monitor with Lanyard, Air Quality Sensor for Outdoor Camping Travel RV Car

• ?-??-? ?????? ???????? ????????: This portable CO detector simultaneously monitors carbon monoxide (CO), temperature, and humidity, providing you with a comprehensive understanding of air quality
• ?????? ?????? ???????? ????????: Comes with a waterproof bag and two lanyards for easy carrying, making this portable carbon monoxide detecter convenient and safe for both indoor and outdoor use
• ??? ??? ???????-????:TypeC rechargable. Efficient built-in battery of 900mAh, ensures long standby time, keeping the device operational during extended use
• ????-???? ?????:This carbon monoxide meter immediately emits a loud alarm when dangerous levels of carbon monoxide are detected, ensuring your safety
• ????-????????:Compact and lightweight design with an easy-to-use interface, perfect for home, travel, camping, and in-car use, enhanced with the added protection of a waterproof bag