£ 59.00 to free delivery
The breathalyzer is the perfect gadget for revealing whether your friends are only pretending to drink while you are playing a drinking game!
Quick steps: Push and hold the power button until the led is changing from green to yellow, to red; the colour green should show up again, when the device is ready to use
Blow in the device for 3 to 5 seconds. The Breathalyzer will show you which category you fit in.