•It is very useful to accurately measure the alcohol content in the body by just blowing into the instrument •No contact is required, which can prevent bacteria from entering the oral cavity and is safe to use •Advanced alcohol sensor with high sensitivity and fast response •When the value exceeds your preset value, it will issue a warning •The LCD screen is backlit for easy use at night •Compact design and portable size, easy to carry Specification: •Test range: 0.00~0.20%BAC / 0.0~1.9g/l •Accuracy: 0.05%BAC •Warm-up time: 10s •Response: •Power supply: 2 * 1.5V AAA batteries (not included) •Size: 10.5 * 4.5 * 1.5cm •Weight: about 92g Package included: •1 x Alcohol Tester(with Lanyard) •1 x English and Chinese User Manual