Design patent semiconductor sensor inside warm-up time:within 10 seconds response time :within 5 seconds Operation temperature:5-40 °C Convenient to carry by keychain 3 test steps with LED indication test result: Safety: under 0.02% BAC Caution: 0.02% - 0.05% BAC Danger: over 0.05% BAC Battery: 2 x AAA alkaline batteries (not included) Size: 76 x 35 x 22mm Print size: 12 x 20 mm
