alcohol tester with keyring (led display)

1. alcohol tester 2. mini alcohol tester 3. beath alcohol tester 4. with keyring and led flashlight 5. led display Specification: 1. Convenient design for measuring BAC 2. A simple method to analyze blood alcohol concentration anytime and anywhere 3. Alcohol test with short ready time/quick response and resumption: Type A: 3-step with colored LED indication: Under 0.02% BAC(0.1mg/L BRAC): green (safe). Over 0.02% BAC (0.1mg/L BRAC): yellow (caution). Over 0.05% BAC (0.25mg/L BRAC): yellow and red (danger). Type B: 3-step with colored LED indication. Under 0.05% BAC (0.1mg/L BRAC): green (safe). Over 0.05% BAC (0.25mg/L BRAC):yellow (caution). Over 0.05% BAC (0.25mg/L BRAC):yellow (caution). 4.Countdown and countup timer keep the deadline of your parking 5.Superbright orange LED flashlight with keychain 6.Power source: 2* AAA batteries (excluded) 7. Unit size (L*W*T):70*35*21mm 8. Material: ABS plastic