1. Alcohol Tester 2.Weight only 15-20g/pc 3.Fit for ... .Size 5*3.7*0.4cm 2013 Newest Breathalyzer Alcohol Tester for iPhone, iPod, iPadFeature: 1. Adopting new gas ... ,which can make detection more ocular &more efficient3. With unique detector ,which can effectively identify cigarettes, coke,coffe smells ... to Iphone , then unlock Iphone, then press switch of tester for 2-3 seconds, at the same time LCD ...