Battery-operated BioCapture BT-550 helps first responders identify the presence of a known, airborne biological threat, such as anthrax. Collects 7-min. air sample by processing sample into a liquid and depositing it onto test strip. Sample cartridge allows final analysis at off-site laboratory to ensure positive verification of on-site results. Boasts 1-button operation, with an ergonomic design for use with personal protective clothing. Measures just 12 by 7 by 5 ins.; weighs 9 lbs. (without battery). Ideal for subways, airports, ventilation systems, mailrooms, and more.