Alcohol Sensor Product hot selling LCD alcohol detector for driver safety wine tester AT818

AT818 Feature

1. %o-bit digital alcohol tester
2. Three kinds of unit conversion (%BAC/ %BAC/ mg/L)
3. Built-in Mouthpiece, Mouthpiece can be replaced
4. Both sides of the products can be installed with Mouthpieces

5. Blue backlit digital LCD screen

6. Light weight stylish design, patented product
7. Loud alarm sounds