• You had a few drinks a couple of hours ago, and you think you're safe to drive, but is it really a good idea to get behind the wheel in order to find out? Save yourself thousands in fines and insurance costs, not to mention the risk in which you place yourself and others on the road, by not drinking and driving. As an added security measure, the Key Chain Digital Breath Alcohol Detector is a compact, battery-powered unit that tests for the presence of alcohol in the bloodstream.
• Breath alcohol tester with LCD clock
• 3 test step with LED indication
• Audible alert
• Quick response and resume
• Countdown and count-up timer

Specifications:
 

• Green LED keep lighting
  Safety: under 0.02% BAC (or 0.1 mg/l BRAC)
• Yellow LED light
  Caution: 0.02% BAC (or 0.1 mg/l BRAC) to 0.05% BAC
  (or 0.25 mg/l BRAC)
• Red & Yellow LEDs light
  Danger: over 0.05% BAC (0.25 mg/l BRAC) (type A)
• AC : Blood Alcohol Concentration
• Baterry : 2 x "AAA" alkaline batteries
• Unit dimensions: 76 x 35 x 22 mm
• Warranty period: Six Months