Features 1、Comprehensive Air Quality Monitoring: The carbon monoxide detector is equipped with a 5-in-1 CO alarm, TVOC air quality monitor, HCHO monitor, and a temperature and humidity detector. It provides comprehensive monitoring of carbon monoxide, harmful gases, and environmental conditions in your home or while camping. 2、Easy-to-Use and Portable: This portable carbon monoxide detector is designed for convenience and portability. With its compact size and lightweight construction, you can easily carry it around and use it in different areas of your home or take it with you on outdoor adventures. Stay informed about the air quality wherever you go. 3、BT Connectivity and App Control: Connect the CO detector to your smartphone via BT and use the dedicated app to monitor and control the device. Receive real-time notifications and alerts about the air quality and potential dangers in your surroundings. Take proactive measures to protect yourself and your loved ones. The APP can be downloaded through the APP Store or scanned with the provided QR code. 4、Reliable CO Detection: The air quality detector is equipped with a highly sensitive carbon monoxide sensor, ensuring accurate and reliable detection of this odorless and potentially harmful gas. It continuously monitors the CO levels in your environment and alerts you immediately if they exceed safe limits, allowing you to take prompt action. 5、Versatile and Multi-Purpose: This carbon monoxide alarm is not limited to home use only. It is also suitable for camping trips, ensuring the safety of your family in unfamiliar environments. Additionally, it can detect harmful gases such as formaldehyde (HCHO) and provide temperature and humidity readings, making it a versatile tool for maintaining a healthy and comfortable living space. Features: Comprehensive Air Quality Monitoring: The carbon monoxide detector is equipped with a 5-in-1 CO alarm, TVOC air quality monitor, HCHO monitor, and a temperature and humidity detector. It provides comprehensive monitoring of carbon monoxide, harmful gases, and environmental conditions in your home or while camping. Easy-to-Use and Portable: This portable carbon monoxide detector is designed for convenience and portability. With its compact size and lightweight construction, you can easily carry it around and use it in different areas of your home or take it with you on outdoor adventures. Stay informed about the air quality wherever you go. BT Connectivity and App Control: Connect the CO detector to your smartphone via BT and use the dedicated app to monitor and control the device. Receive real-time notifications and alerts about the air quality and potential dangers in your surroundings. Take proactive measures to protect yourself and your loved ones. The APP can be downloaded through the APP Store or scanned with the provided QR code. Reliable CO Detection: The air quality detector is equipped with a highly sensitive carbon monoxide sensor, ensuring accurate and reliable detection of this odorless and potentially harmful gas. It continuously monitors the CO levels in your environment and alerts you immediately if they exceed safe limits, allowing you to take prompt action. Versatile and Multi-Purpose: This carbon monoxide alarm is not limited to home use only. It is also suitable for camping trips, ensuring the safety of your family in unfamiliar environments. Additionally, it can detect harmful gases such as formaldehyde (HCHO) and provide temperature and humidity readings, making it a versatile tool for maintaining a healthy and comfortable living space. Specification: Product material: ABS Product size: 9.4 x 9.4 x 3cm / 3.7 x 3.7 x 1.18in Product weight: about 123g / 4.34oz Product color: Black, White (Optional) Charging time: 2-3h Working time: 6-7h Charging mode: DC5V 1A micro USB interface Battery: Built-in lithium battery 3.7V 1200mAh lithium battery CO detection range: 0-500PPM, ±10% PPM CO detection sensitivity: 1ppm TVOC detection range: 0-2.0mg/m3 HCHO detection range: 0-0.6mg/m3 Temperature measurement range: -10 - 50°C / -50 - 122°F Temperature measurement accuracy: ±2°C / ±35.6°F Humidity measurement range: 0%-99%RH Humidity measurement accuracy: ±3%RH Color change alert: CO: 0-50/Green, 51-100/Yellow, 101-200/Orange, over 200/Red Packing List: 1 x CO Detector 1 x USB Power Cord 1 x Manual Package List 1 x CO Detector 1 x USB Power Cord 1 x Manual