Feature:1. High Sensitivity Sensor: The detector adopts semiconductor sensor, which has high sensitivity, high stability and accurate detection.2. Long Battery Life: The meter is built in battery, which provides long working time, and can be easily charging with USB cable.3. Small and Portable: The alcohol tester is designed in half palm size, which is compact and easy to carry, can be put in pocket and test anywhere.4. ABS Shell: The alcohol detector adopts durable ABS shell, which has high hardness, resistant to pressure and fall, sturdy and durable.5. Wide Usage: This tester can be widely used in drunk driving, alcohol production, inspection, fire , express delivery, coal mines, fleets, enterprises, construction sites, etc.How to Use:Start detection 10 seconds after power on.Specification:Item Type: Alcohol TesterMaterial: ABSBattery: 603020 lithium battery 3.7V 140mAh (built in)Application: Alcohol detectionBasic Parameters:Detection Range: 0.000-0.199%BAC, 0.00-0.999m/L Package List:1 xAlcohol Tester1 x USB Cable1 x Manual