Feature:1. ACCURATE AND SENSITIVE: Breath alcohol tester is used to measure the alcohol concentration in the human body.2. MULTI FUNCTION: In addition, there are small LED lighting functions, timing and countdown functions. More convenient to use.3. AUTOMATIC SHUTDOWN: Digital alcohol tester will automatically turn off 5 seconds after completing the test to save battery power.4. EASY CARRYING: Comes with a small size and a light weight as well, this alcohol tester can be easily carried in your bag or your pocket for convenient use.5. WIDE APPLICATION: Breath alcohol tester has a wide range of uses, can be used by medical personnel and professional therapists, and is suitable for individuals, drivers, parties, and family gatherings, etc.Specification:Item Type: Breath Alcohol TesterMaterial: ABS Battery: 2 x 1.5V AAA battery (shipped without battery)3 LED Display:Less than 0.02% BAC (0.10mg/L BRAC), GreenOver 0.02% BAC (0.10mg/L BRAC), YellowOver 0.05% BAC (0.25mg/L BRAC), Yellow and Red.Package List:1 x Breath Alcohol Tester1 x Manual