The Smoke Detector X4 by ELRO is a set of four units specifically designed for detecting smoke in various locations within a property. These smoke detectors are essential for ensuring fire protection and safety in business, office, and industrial settings. With a reliable brand like ELRO, these units offer peace of mind knowing that your facility is equipped with top-quality fire protection equipment. Regular maintenance and testing of these smoke detectors are crucial for keeping your property safe from potential fires.