... tester with light 2. digital alcohol tester 3. suit for iPod touch5,iPhone5,iPad4,iPad mini 4. No need battery Backlight Alcohol Tester for iPod ... iPad mini Backlight Alcohol TesterThis product is a alcohol tester designed for iPod touch5,iPhone5,iPad4,iPad mini , it' ... connect this product to for iPhone , then unlock for iPhone , then press switch of tester for a while till Tester alert short buzzing, ...