"KHN BACtrack Keychain Breathalyzer - Blue Brand New Includes One Year Warranty, The BACtrack Keychain Breathalyzer is a revolutionary portable breathalyzer that is a fully functional breath alcohol tester with an internal alcohol sensor, folding breath tube, and even optional mouthpieces
It can easily estimate the BAC (Blood Alchohol Content) of a person just in 5 seconds of blows through mouth piece. The innovative folding mouthpiece pulls out during testing and slides back down during storage making it real handy to use. It is battery powered and the battery required is 1AAA battery. Its small size and affordable price makes it a wonderful breathlyzer to be carried with. BACtrack Keychain Breathalyzer Features: Keychain Breathalyzer, Internal Alcohol Sensor, Indicateds Blood Alcohol Content, Dimensions-1.45""L x .55""W x 2.44""H, Easy To Read, 2-Digit LED display, Wokrs Within 5 Seconds, Accurate Alcohol Sensing Technology-0.00-0.40 BAC, Operates w/ One AAA Battery"