The VESDA-E VES Aspirating Smoke Detector Series with Flair Technology allow sensitivity ranging from 0.005% to 20% obscuration per meter (0.0016 to 6.25% / ft), allowing up to 40 Class A sampling points They are equipped with a powerful aspirator that allows sampling networks of up to 560m of tube in this model. In addition, it is possible to identify the 4 zones individually with the use of 3 relays dedicated to each zone, making a total of 12 programmable relays.