Feature: 1. High Accuracy: This alcohol breathalyzer provides highly accurate data that ranges from 0 to 0.19%BAC and 0 to 0.95mg/l. 2. USB Charging: This breath alcohol tester adopts 200mAh battery and it supports USB charging for great convenience. 3. LCD Screen: This alcohol tester features LCD screen display that allows you to read the results clearly and timely. 4. Wide Application: This breathalyzer is suitable for individuals, professionals, drivers, parties, family gatherings, hospitals, clinics, etc. 5. Portable Design: This mini breathalyze is small in size and light in weight, which is portable and space saving. Specification: Item Type: Alcohol Breathalyzer Material: ABS Sensor Type: Semiconductor Sensor Display: LCD Display (Black and White and Blue) Test Range: 0 to 0.19%BAC, 0 to 0.95mg/l Measurement Unit: mg/l (BrAC) mg/ml (BAC) Measurement Mode: Quick Checking, Automatic Detection Measurement Time: 20 Seconds Battery Type: Lithium Battery (Inbuilt Battery Included) Battery Capacity: 200mAh Battery Model: 502025 Power Adapter Requirements: DC5V 1A Operating Temperature: Minus 5 to 45℃ Preheating Time: 10 Seconds Blowing Time: within 10 Seconds, More Than 4 Seconds Response Time: Less Than 5 Seconds Operating Current: 150MA (Maximum) Standby Current: Less Than 20UA Weight: Approx. 59g / 2.08oz. Package List: 1 x Alcohol Breathalyzer1 x Lanyard1 x User Manual1 x USB Cable