Bullet Points: 1、Safety Proce: Just blow into the instrument to accurately measure the alcohol content in the body. No need to contact. It can prevent cro-infection, so the proceing is safe. 2、High Sensitivity: Using the most advanced technology alcohol r, high sensitivity, fast response. The effect is very obvious when the workload is heavy. 3、Strong Warning: When the value exceeds your set value, it can make a strong warning to remind that the alcohol content exceeds the standard. 4、LCD Display: With backlight LCD display, it is convenient to use at night. Only need two AAA batteries, and it can be used for a long time. The power saving mode is automatically turned on during standby. 5、Portable Rope: With a fixed portable rope, and a compact design. it is portrable and compact, which is convenient to carry. Description: The alcohol tester is specially designed for accurately measuring the alcohol content of the human body; It is easy to use, and the alcohol content can be measured by blowing air around the instrument. Specifications: Input voltage: DC3V (2x3A alkaline batteries) Warm-up: 10 seconds Response: