There are just 3 steps to the Alcohol Test which yoiu can keep handy attached to your keysIts very easy to use just hold the power button until the LED turns greennbsp Blow across the top of the grillnbsp If the light remains green you should be OK to drivenbsp If it turns yellow you need to be cautious and think about taking the bus or getting a taxi homenbsp If the LED turns red and yellow you probably should walk home - the cold may help sober you upThis item requiers 2 x AAA batteries
The Light amp Sound Hat has two graphic equalizer panels which will pick up the beat and pulse of your music and provide your own light showThe Light amp Sound Hat contains a built in speaker so you can listen to your iPod MP3 player etc without letting your head get coldnbsp