You can never be sure; a few drinks might be more than enough to get behind the wheel. Check if you're still within the legal limit and save yourself thousands in fines and insurance costs.
It's easy to test the level of alcohol in your blood. Just blow into the breath inhaler, the result will be shown in the LCD display. Easy to carry and always keep you safety on your way.  

Specifications

• Fast way to Measure BAC (blood Alcohol Concentration)
• Allow reading the result directly on the LCD display
• Dual LCD display, one for time and one for alcohol tester
• 5 alarms
• With countdown function
• Auto power off
• Nice Design and pocket size with strap for carrying.
• Resolution: 0.1g/l or 0.01% BAC
• Range: 0.00 - 0.19% BAC & 0.0-1.9g/l
• Size: 3.7 x 9.8 x 1.7 cm