How to use a key chain breathalyzer

1. T O U S E K E Y C H A I N B R E AT H A LY Z E R
WIKI HOW:

2. STEP ONE
Lift the top black mouth piece so it is standing straight up

3. STEP TWO
Press the grey square
button on the right bottom
side of breathalyzer and
wait for the noise

4. STEP THREE
Once the noise begins a
count down on the
screen will start once it
gets to 3 then you begin
to blow into the black
mouth piece at the top

5. STEP FOUR
Keep blowing into the
device until its beeps
and your BAC will
appear on the screen