Portable Digital Breathalyzer with LCD Display Breath Tester

strongSpecifications:/strong Sensor: high-precision semiconductor sensor. Warm-up time: within 10 seconds. Response time: within 10 seconds. Digital display results (%BAC / ‰BAC / mg/L). Working voltage: 2 x AAA batteries (not included). Working current: lt;120 mA. Detection range: 0.00-0.19% BAC; 0.00-1.99; BAC; 0.00-0.99 mg/l; 0.00-199 mg/100 ml. Alarm level: 0.05% BAC; 0.50; BAC; 0.25mg/L; 50mg/100ml strongAttention:/strong 1. The test result will be accurate 20 minutes after drinking. 2. Please wait at least 3 minutes before the next test. strongPackage including:/strong 1 * Breath tester (requires 2 AAA batteries - not included) 12 * Spare mouthpiece 1 * Manual • The device is a professional breathalyser. • It is small and easy to carry, and it contains 20 mouthpieces that you can use and clean. • To use the device, you need 2 AAA batteries (not included). Turn on the device, wait 10 seconds, and blow for 3-6 seconds. The result will show on the screen. The device will turn off after 10 seconds. • The device will beep if the result is too high. The limit is 0.05% BAC or 0.50‰ BAC or 0.25mg/L or 50mg/100ml. • Some tips for using the device: Test several times and take the average value. Wait 3 minutes between each test.