Never again have a doubt about how much alcohol you have had to drink or if you or your friend is legally OK to drive. This mini breathalyser has a traffic light readout style system making it super easy use. Simply blow for 5 seconds then wait. A green indicating light and you are good to go; yellow and you may want to wait a while before you go home; while red indicates you should hand your keys to a friend.
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How accurate is this ?
Considering a reasonably accurate and regularly calibrated breath tester is usually upwards of $600++, I'd say this one isn't very accurate?
Apparently its not accurate at all. Had one of these.. Compared it to a real breath analyser and got highly conflicting results.
$3.95 with free shipping from Melbourne.
http://www.ebay.com.au/itm/Brand-Accurate-LED-Breath-Alcohol…
Just to confirm, these are not accurate at all.
It can roughly tell that you have been drinking, but that's about it.
Do your friends, family and other road users a favour: buy one of these and rig it to always show red.
Don't buy this and save some $10 and tell your family and friends not to drink and drive.
$2.90 from eBay with shipping if you're willing to wait a few weeks to arrive.
(http://www.ebay.com.au/itm/Digital-Alcohol-Breath-Tester-Ana…)