... Design 3. Easy to use 4. Portable to Carry New Breath Alcohol Tester for iPhone 5 & ipad mini, Drive Safety this item is ... detecting the more actual alcohol content of gas · LCD digital display,which can make detection more ocular &more efficient· With unique detector ,which ... sounds,the the green shows in the tester screen. 2. warm up procedure starts with the number 10 to 0 shows in ...