Here is how to use protocolkeychain.
First you hold down the button on top to power it up, the green LED with ready next to it will eventually light up. Then a yellow as well as the red LED’s will illuminate and after they turn off the green LED should return on.
You are now able to blow into the slots along the front of the unit. Blow for at least a few seconds and then the LED (s) will illuminate together with an estimate reading.
If the blood alcohol concentration is low the green LED will light up (lower than .05%), if it’s yellow borderline (.05% to .08%), and if it goes on red LED, your are legally intoxicated (greater than .08%), avoid driving.
protocol key chain breath test, protocol breathalizer, protocol breath analyer, how to use a breathalizer keychain, how to use a breatherlizer, 1, how do you use the protocol breathalyzer, protocol breathalyzer troubleshooting, how to use a keyring breathaliser, protocol breath analyzer