It's easy to use. Simply press the button, wait for the beep, blow into the unit - You don't need to touch it with your mouth. It is compact and easily fits into your pocket or purse and comes with a removable strap. Digital breathalyzer designed to accurately measure alcohol levels Start test by pressing one button and deeply exhaling into mouthpiece Alert level calibrated Developed to show results in seconds Quick response and resume Portable device attaches to key ring or fits into glove compartment Powers down automatically Uses 2 AAA batteries (not included)
