Bullet Points: 1Safety Process: Just blow into the instrument to accurately measure the alcohol content in the body. No need to contact. It can prevent cross-infection, so the processing is safe. 2High Sensitivity: Using the most advanced technology alcohol sensor, high sensitivity, fast response. The effect is very obvious when the workload is heavy. 3Strong Warning: When the value exceeds your set value, it can make a strong warning to remind that the alcohol content exceeds the standard. 4LCD 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. 5Portable 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: <5 seconds Recovery: <10 seconds Test range: 0.00~0.20% BAC or 0.0~1.9 grams 1 liter Accuracy: 0.01% broken alarm point (0.05% BAC) Alarm range: 20.05% BAC (0.5 g/l), sound and light alarm Automatic shutdown: about 1 minute Specification: Name: HT-611 Alcohol Tester Material: ABS + electronic components Color: as shown Size: about 11*5.5*2 CM/4.33*2.17*0.79in Box size: about 13*8*4 CM/5.12*3.15*1.57in Packing List: Alcohol Tester*1 Box*1 User Manual*1 Note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.