1.Description : Lydsto Alcohol Tester High Precision Portable Breathalyzer for Drunk Drivers LCD Display/Audible Alarm/Three Unit Switching/Digital Breathing Quick Response Alcohol Detector br/> 2.Features : - Mini & amp; Portable: small size, only 11cm in length, easy to carry. - Easy operation: simple one-button control, easy to manage in a dark environment at night or when drunk. - His & amp; Display prompt: There will be a clear sound alarm and digital display prompt, convenient for you to operate and result prompt. - Blowing type: air blowing, non-contact, hygienic and high precision. - High precision: high detection semiconductor sensor, more precise measurement. 3.Specification: Name of the Item: Lydsto Alcohol Tester Model: HD-JJCSY01 Color: Black Sensor Type: S Transmitter Sensor Detection Range: 0-0.199 % BAC, 0-1.990 & permil; BAC, 0-0.995mg / L Accuracy: & plusmn; 0.010% blood alcohol content, & plusmn; 0.100 & permil; BAC, 0.050 mg/L Working environment: 20 & plusmn; 5 Battery: 3 * AAA batteries Size: 112 * 61 * 29 mm Weight: 60 g Package weight: 140 g 4.Attention: 1.Please test after drinking for at least 20 minutes because it takes about 20 minutes for the alcohol to be absorbed from the digestive into the bloodstream . If tested immediately, it can only reflect the alcohol concentration in the oral cavity, not in the blood. 2.Do not directly use chemical or corrosive solution to wipe the product, to avoid liquid flowing into the trachea. 3.It is strictly prohibited to use it in a closed environment with corrosive gases such as paint, pesticides, alcohol or air pollution. 5.Note: * There is a little difference according to manual measurement. * The color of the item may show a little difference. slight aberration due to different shooting light and monitor display. *Product warranty is only for customers in China, overseas customers cannot be guaranteed, please understand. 6.Package List: 1 * Lydsto Alcohol Tester 5 * Replaceable Nozzle 3 AAA Batteries 1 * User Manual Sold by grid cool store