BACTRACK Select S70 Breathalyzer: * Compact, portable design - only 1" thick * Replaceable, hygienic mouthpiece provides a safe and sanitary method for testing multiple users * 6 individually wrapped mouthpieces included * FlowCheck feature ensures that a continuous deep lung air sample is taken every test * Easy to use — simply insert mouthpiece and begin testing immediately * Clear LCD display is easy to view in low light situations * Measures BAC from 0.00 to 0.40 percent * Provides accuracy and reliability * Used for law enforcement screening, hospital/clinical test applications and personal use * Uses advanced semiconductor alcohol sensing technology