COUPLECOL 4 in 1 CO Gas Leak Detector Rechargeable 3-in-1 Carbon Monoxide Sensor Temperature Humidity Display Back Temperature Carbon Monoxide Detector Home Indoor Use

Measurement range: 0-1000ppm Type:Gas Detector Resolution: 1.9 inches Packaging: 1pc gas detector+1pc data cablePower supply: USB Measurement accuracy: 1ppm Size: 97 * 56 * 31mm Material: ABS Voltage: 3.7V Measurement object: CO/CO2 Color: Black/Green/White Capacitor: 2000mAh Features:

1. Four-in-One Carbon Monoxide Detector: This four-in-one portable carbon monoxide detector provides real-time monitoring of gases, temperature, and humidity. It integrates carbon monoxide (CO) detection, carbon dioxide (CO2) detection, temperature, and humidity monitoring functions. Real-time digital readings and color-coded safety levels (safe/warning/danger) help you immediately identify indoor gas risks, providing comprehensive environmental safety protection for your home and workplace.
2. High-Decibel Alarm + Color Screen Warning: This carbon monoxide gas detector is equipped with a high-decibel alarm and visual warnings that activate immediately when carbon monoxide levels exceed safe thresholds. The display color changes from green to yellow to red, helping you react quickly and ensure safety.
3. Ultra-Long Battery Life: Built-in 2000mAh rechargeable lithium battery, fully charged in just 2-4 hours, providing over 300 hours of use on a single charge.
4. ic Back Panel & Flashlight: The ic back panel design allows you to easily attach it to metal surfaces (kitchens, RVs, pipes, etc.). The four-in-one carbon monoxide detector also features a flashlight at the bottom, ideal for use in dimly lit environments.
5. Wide Application: This four-in-one detector is perfect for kitchens, bedrooms, rooms, tents, RVs, offices, hotel rooms, or barbecue areas. Compact and lightweight, it's an essential carbon monoxide and carbon dioxide monitor for home safety and travel.