1alcohol tester designed for iPod touch5,iPhone5,iPad4,iPad mini 2.exquisite and ... Introduction This product is a alcohol tester designed for iPod touch5,iPhone5,iPad4,iPad mini, it's small, ... and blow to air hole and exhale into sensor for 3 to 5 seconds , after finishing Countdown , ... not drunk driving for the safety of yourself and others pls. alcohol tester with light FOR iphone5 safety for driver