1、Contactless Testing: The portable alcohol tester is a non contact type of blow test, no need for a mouthpiece test, which is healthier and safer 2、USB Charging: The rechargeable alcohol tester has an LCD three color display, which can respond quickly, and has a USB charging function 3、Small and Portable: The alcohol tester is compact and easy to carry, allowing you to test anytime, anywhere 4、Semiconductor Sensor: The alcohol tester uses semiconductor sensors to give you accurate data and can be used with confidence 5、ABS Material: The breath alcohol tester is made of ABS material, which is wear resistant and durable, and has a long service life Item Type: Alcohol Tester Material: ABS Voltage: 5V Current: 1A Battery: Lithium Battery 200mAh (included) Response Time: ≤20S Range: 0 to 0.19% BAC; 0 to 1.9g/l Error: ±0.01% BAC Operating Temperature Range: -5℃ to 45℃ Storage Temperature Range: -20℃ to 50℃ Blow Time: 5 Seconds Weight: Approx. 78g / 2.8oz 1 x Alcohol Tester 1 x User Manual 1 x USB Power Cable