BACtrack Keychain Breathalyzer Portable Breath TesterPrice: USD41.99 BACtrack Keychain Breathalyzer Portable Breath Tester uses an advanced MicroCheck sensor technology to quickly and easily estimate the Blood Content (BAC) in the breath. It features a folding mouthpiece that pulls out during testing and slides back down during storage. This unit is powered by one AAA battery and is very easy to use.Other products from H e a l t h P r o d u c t s F o r Y o u |