LED alcohol tester, breathalyzer alcohol analyzer, breath analyzer 1. Operation temperature:5-40 2. Torch function LED alcohol tester1. semiconductor sensor inside2. warm-up ... -40 5. Torch function6. Key chain7.3 test steps with LED indication8. test result: Safety: under 0.02% BAC Caution: 0 ... x 39 x 20mm11. Print size: 15 x 10 mm LED alcohol tester, breathalyzer alcohol analyzer, breath analyzer