Key features

• •POLICE-GRADE ACCURACY - Powered by YouSmart's platinum-based Xpower Fuel Cell Sensor, this alcohol tester utilizes the same police-grade technology trusted by hospitals, clinics, and even law enforcement. These professional organizations trust YouSmart breath alcohol testers because they know they are getting the most accurate and reliable BAC results possible, every time they test.
• •SMART & FAST RESULT: High accuracy, the AT-818 alcohol concentration alcohol tester is used to measure the human body, intelligent MCU control, when the test results more than 0.05% bac or 0.50 ‰ bac or 0.25 mg/l, or 50 mg / 100 ml, it warned audio, warn you.
• •RATED BREATHALYZER BY WIRECUTTER - "After 70 hours of research, which included getting intoxicated at a police station to test personal breathalyzers alongside law enforcement equipment, we're sure the YouSmart Alcohol Tester is the most accurate, reliable, and easiest-to-use personal breathalyzer that you can buy."
• •Powerful Design - Fits inside a purse or pocket and can be easily used. There are 4 modes of this alcohol tester, you can freely switch between them. And this alcohol tester can detect trace amounts of alcohol, reliably handles high BAC levels and is accurate to the second decimal place.
• •SIMPLE, ONE-BUTTON OPERATION - The YouSmart Alcohol Tester is extremely easy to use. Simply insert the two included AA batteries, power on your breathalyzer and begin testing. It's that easy. Your BAC results are displayed 10 seconds later on a bright, easy to read LCD screen.