The VPC300 is a video particle counter with a built-in camera. It measures up to 6 channels of particle sizes as well as air temperature and relative humidity. It is used to capture videos and photos that are stored in an internal memory or on a micro SD card. The VPC300 measures up to 6 channels of particle sizes as well as air temperature and relative humidity. The included software can be used to create reports with videos, photos and data points. Includes NIST traceable calibration certificate, universal AC power supply/charger with various plugs, USB cable, PC software, tripod, filter, NiMH battery (7.4 V) and hard case.