OnGard LLC P.O. Box 242 , Clawson , MI 48017 USA About Solutions products Publications videos Companies OnGard LLC Videos VESDA Advanced Smoke Detection Demonstration Video VESDA Advanced Smoke Detection Demonstration Video 0 Share In this video you will see the Xtralis VESDA - Very Early Warning Smoke Detection System - compared with spot and bean smoke detection systems. The difference in performance is incredible. Most popular related searches early warning system Customer comments No comments were found for VESDA Advanced Smoke Detection Demonstration Video. Be the first to comment! Add your comment Publish your comment Great! comment successfully added!