We are no advocates of drink driving in any form, but the basic truth is that the law says you can have a certain (very small) amount of alcohol and still drive. Unfortunately with different beverages comes different strength of alcohol so telling exactly when you are close to or over the limit is no easy task. If you enjoy a glass of wine at dinner or a beer when with your mates and are not sure if you are legal to drive home, the Tokyoflash Breathalyser Watch will come in handy. Simply blowing into the sensor on the side of the watch will bring up an LCD colour reading on the screen, green for clear and red for over the limit, and just in case you’re not sure you can take a little test on the phone to test your reactions. US$100
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