Feature 1Noncontact Design: Noncontact blowing detection is safe and hygienic, can be used by more than one person without extra mouthpiece replaced. 2High Accuracy: Alcohol tester has high sensitivity sensor ensure accurate detection in a short time, prevent strong interference. 3LCD Digital Display: Measurement results are clearly visible, easy to see even in dark places, clear contrast, high visibility and easy to understand. 4Rechargeable: Built in 150 mah lithium battery, the portable alcohol tester is designed to be charged from type C port. 5Portable: Breathalyzer is very small and portable, can be easily carried in your pocket, convenient and practical, can use anywhere and anytime. 6Wide Application: Professional breath alcohol tester is suitable for household and business use, has a wide range of applications.Item Type: AlcoholTesterMaterial: ABS and metalBuilt in 150 mA lithium battery. Delivered with built in battery.Sensor: High accuracy sensorTesting Range:0.000-0.19%BACCharging Input: DC 5VPower Interface: Type C charging interfaceWorking Environment: 0-45C .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x AlcoholTester1 x Charging Line1 x User Manual