Compact and Portable Designed to be small and easy to carry, this device for quick and results Versatile Usage Scenarios This breathalyzer is perfect for various situations like social gatherings, parties, or Personals use, providing measurements Suitable for All Users Perfect for individuals who need to monitor their consumption regularly, such as professional driver or conscious individuals and Accurate Equipped with a sensors, this breathalyzer delivers and dependable measurement results, giving users peace of mind Advanced Technology Alarm function: when the content exceeds the standards, the red light in the upper left corner will light up, Manufacturer: Msioytog