... 8 Pin Digtal Alcohol Breath Tester For iphone 5 2. Mini size alcohol tester 3. LCD digital display breathalyzer 8 Pin Digtal Alcohol Breath Tester For iphone 5 ... identify alcohol gas and prevent cigarettes, coke, coffee smells to interfere the detecting result. 4. Power saving Design. ... countdown 6 seconds, please blow to air hole and exhale into sensor for 3 to 5 seconds, after finishing Countdown, ...