HiHo DRS 2000 Vape Detector Silent Alarm is the latest in Vape Detection Real-Time monitoring. The DRS 2000 is equipped with silent alarm Vape Detection. Real-Time monitoring providing immediate alerts when vaping is detected, it also covers smoke and air born particles. Equipped with Smoke Detection Alert, adjustable sensitivity and alarm thresholds to suit all environments. With a mobile Smart App that allows the device to be managed remotely. Incorporates a laser scattering PM2.5 Sensor. Can be used in all locations where vaping is prohibited. Easy to install. Comes with a 2 Year Warranty.