VPC300 is a Video Particle Counter with built-in Camera. Measures up to 6 channels of particle size plus air temperature and relative humidity. Used to capture videos and photos saved to the internal memory or micro card. The VPC300 can measure up to 6 channels of particle size plus air temperature and relative humidity. Use the included software to generate reports with videos, photos, and data points. Complete with NIST traceable calibration certificate, Universal Charger/AC Adapter with multiple plugs, USB cable, PC software, tripod, filter, 7.4V NiMH battery and rugged protective case.a advance notice