with Blue Backlight LCD Screen Portable Breathalyzer,Alcohol Tester, Handheld Breathalyzer

Specifications:  Color: black Material:ABS Test range: 0.000-0.199percent BAC;0.000-1.990‰BAC;0.000-0.995mg\L Alarm point: 0.050percent BAC;0.500‰BAC;0.25mg\L(BrAC) Accuracy: +-0.010percent BAC;+-0.10‰BAC;+-0.05mg\L Reaction time: less than 5 seconds Preheating time: 15 seconds Working voltage: 3#AAA battery (not included) Working environment: 5 celsius -40 celsius Product size: 11.2 * 6.1 * 2.9cm Product weight: 69g Package size: 16.5 * 11.8 * 4.5cm Package weight: 196g

Package List: 1 * Alcohol Tester 20 * Mouthpieces 1 * Cloth Pouch 1 * User Manual

note: Backlit display screen: Blue backlit LCD display, the numbers are clear and easy to read, and you can see clearly at night. Three unit conversion: percent BAC ‰BAC mgL three alcohol measurement units can be converted. High Accuracy: This alcohol detector has a highly sensitive semiconductor alcohol sensor, which can quickly give a result within 5 seconds to determine whether you can drive or not. Easy to use: Simply press the power switch for 3-5 seconds to start the professional breathalyzer, wait 15 seconds to warm up, then blow with the tester for 5-6 seconds, the result will come out after 3 seconds and be displayed on the LCD screen for 15 seconds. 20 Interchangeable Mouthpieces: This breathalyzer comes with 20 interchangeable Mouthpieces, you don" t have to worry about forgetting to bring Mouthpieces when you are out and about.