Gas Dog Portable Gas Detectors are compact, reliable devices designed to provide real-time monitoring and detection of hazardous gases in various environments. Operating on a voltage range of 3. 7V to 12V, these detectors are powered by rechargeable lithium-ion batteries, ensuring long battery life and efficient performance. Equipped with advanced sensors, they can detect a wide range of gases, including combustible, toxic, and oxygen levels, providing accurate readings on clear LCD screens. User-friendly and lightweight, these detectors feature intuitive controls and multiple alarm systems for timely alerts. Built with rugged, waterproof, and dustproof construction, they are ideal for industrial, confined space, and residential use, offering essential safety protection wherever you go.