Product Name: Portable Alcohol Detector GKALC-001 Color: White Size: 105 x 32 x 17mm Weight: 28g (excluding batteries) Operating Temperature: 0°C ~ 35°C (no condensation) Power Supply: AAA alkaline batteries x 2 (sold separately) Display Method: LCD digital display 0.000mg/L ~ 1.000mg/L (200-step measurement value display) Display unit 0.005mg/L Merits: Electronic sound notification for measurement start timing and completion How to Use: 1. Long press the power button to turn ON. 2. Just breathe into it! Measurement in about 5 seconds! 3. The result will be displayed. An alarm will sound if the alcohol concentration in the breath exceeds 0.15mg. [Blow-in Type, Non-Contact Alcohol Checker] Since a mouthpiece is not used, it is very hygienic. You can measure by blowing your breath from a distance of 1 cm, making it a hygienic household alcohol measuring device that can be used by one or more people. [Wide Range of Application] Alcohol checkers are required for use by transportation companies and passenger transport companies. This alcohol detector is, of course, for business use, but it is also a necessity for every household. Alcohol detector OWO, alcohol checker, alcohol concentration meter, non-contact type, alcohol tester, alcohol check, alcohol testing machine, LED display, hangover, measuring device, overdrinking prevention, drunk driving prevention, non-contact breath alcohol measuring device, simple portable type, as defined by the National Public Safety Commission. 1-34