Feature:1. HIGH ACCURACY: The breath tester is equipped with intelligent chip and high sensitivity sensor to ensure accurate and reliable measuring.2. AIR BLOWING: The breath detector is air blowing design, and equipped with 5 replaceable nozzles, making it convenient and practical.3. POWER SUPPLY: Equipped with 3.7V 200mAh lithium battery, and USB cable for charging, no need for frequent battery replacement.4. WIDE APPLICATION: The drunk detector is portable design, widely used for bar, household, or traffic inspection to ensure security after drinking.5. ABS PLASTIC: The detector housing is made of excellent ABS material, with good toughness, corrosion resistance, and aging resistance.Specification:Item Type: Breath TesterMaterial: ABSBattery: 3.7V 200mAh Lithium Battery (built in battery).Package List:1 x Breath Tester1 x User Manual5 x Blowing Nozzles1 x Charging Cable