Serplex® 2 in 1 Natural Gas Detector and Carbon Monoxide Alarm with Sound

Simple setup for maximum convenience, plug into a power socket, let it warm up for 3 minutes, and it's ready to keep you safe. Upgrade your home safety effortlessly! To ensure uninterrupted operation during power outages, pair it with a 9V rechargeable battery (not included). Add it to your home or office safety setup for hassle-free protection today.