VLF-500-00-UL | Vesda LaserFocus Very Early Warning Smoke Detector (500 m² Coverage)Description The Vesda VLF 500 00 UL is a very early warning smoke detector engineered to protect small, business critical environments up to 500 m (5,380 sq. ft.). It continuously samples air through a network of pipes and uses laser based light scattering technology to detect the smallest smoke particles. Designed for precision and reliability, it provides accurate fire detection with configurable alarm thresholds and advanced airflow monitoring.