Flycross Portable 4-in-1 Carbon Monoxide Detector Gas Detector

4-IN-1 FUNCTIONALITY – Combines a carbon monoxide detector, temperature monitor, humidity sensor, and built-in flashlight in one compact device, giving you real-time safety and air quality tracking anywhere. RECHARGEABLE & LONG STANDBY – Equipped with a rechargeable battery that lasts up to 300 hours on standby. Easily recharged via USB, with added flashlight function for emergency lighting at home, hotels, or camping. MAGNETIC BACK DESIGN – Strong magnetic backing allows quick attachment to refrigerators, RV interiors, or metal walls. Flexible placement with no tools required – perfect for home, tents, and outdoor trips. LOUD & RELIABLE ALARM – High-sensitivity CO sensor provides accurate detection and an instant loud alarm when carbon monoxide levels rise, helping protect your family and ensuring peace of mind. PORTABLE & MULTI-SCENE USE – Lightweight with included lanyard, easy to carry during travel. Works as both a CO detector and flashlight, making it ideal for RVs, cars, hotels, and outdoor camping.