This Apollo 58000-500 APO Discovery Ion Detector is a reliable choice for your fire protection needs. It is designed to detect smoke particles in the air and alert you of any potential fire hazards. The detector is made by the trusted brand, Apollo, known for their quality fire protection equipment.This device is perfect for use in commercial settings such as offices, factories, and other industrial areas. It is also suitable for use in public buildings and facilities such as hospitals, schools, and government buildings. With its high sensitivity and accuracy, you can rest assured that this Apollo 58000-500 APO Discovery Ion Detector will keep you and your property safe from any potential fire hazards.