Alcohol concentration meter can call relatives in emergencyVietNamNet Bridge - The small and compact meter can be mounted on a motorbike. After that, they blow into a tube mounted on the motorcycle to measure the alcohol concentration. “I set the default at 0.2 mg/liter, because under the current laws, the drivers with alcohol concentration of more than 0.25 mg/liter will be fined. If the alcohol concentration is above 0.2 mg/liter, the device will turn off the motorbike IC power cable, while the LCD screen will display the alcohol concentration and the alert will show ‘not safe’. Sy had to spend six months and experience three failures inventing the alcohol meter.