1. CO Detector - Monitor Gas, Temp & Humidity in Real-Time: This portable CO detector integrates carbon monoxide (CO) detection, temperature, and humidity monitoring. Real-time digital readings and color-coded safety levels (Safe / Warning / Dangerous) help you identify indoor gas risks instantly. 2. Loud Alarm + Color Screen Warning for Dangerous CO Levels: Equipped with a high-decibel siren alarm and visual alert, this CO gas detector notifies you immediately when CO levels exceed safety thresholds. The display shifts from green to yellow to red to help you respond fast and stay safe. 3. Built-in Battery & Long Working Time: Features a rechargeable lithium battery, lasting up to 300+ hours on a full charge. 4. Magnetic Back + Flashlight - Ideal for Travel & Emergency Use: The magnetic design lets you easily attach it to metal surfaces (kitchen, RV, pipes). 5. Wide Application: Home, RV, Camping, Office, Hotel: Perfect for kitchens, bedrooms, living rooms, tents, campers, offices, hotel rooms or BBQ areas. Compact and , it's a must-have carbon monoxide monitor for and travel. Please note:There may be slight color differences or variations in the actual product, but this does not affect its use. Please do not mind this. Thank you! Color:As Shown Material:ABS Package Contents: 1 * Carbon Monoxide Detector with Alarm Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.