This is our Vape Detector for schools, homes, hotels, rentals, and landlords. It is an elegant, discreet, and unassuming vape detector. Mostly purchased by schools, businesses, and parents to monitor students, employees, and children in areas they should not be vaping. The unit uses a smartphone app to provide cell phone alarm notifications. The detector employs a super sensitive laser scattering sensor to detect the slightest airborne particles. This technology is very stable and allows for adjustable alarms and triggering to reduce false positives. The detector connects to your network and phone via Wi-Fi and Bluetooth connectivity and provides phone notification via the phone app. This unit was designed for easy use and setup for schools, K-12, restrooms, businesses, hospitality toilets, bathrooms, and confined spaces. The unit is powered by USB 5v low voltage power which makes installation much easier and less expensive. The package comes with the Vape Detector, English manual, USB cable, USB Charger, and wall mount screw kit with detector mount plate. Specifications: Sensors: PM2.5 Laser Scattering, Temperature & Humidity, PM2.5 Detection Range: 0-999 ug/m3, PM2.5 Response Time: