Features 1、HIGH ACCURACY: The Alcohol tester accurately detects the concentration of alcohol in exhaled air to help users determine if they are fit to drive or perform other activities that require a level of alertness. 2、HIGH SENSITIVITY: Digital alcohol tester can quickly inform users whether they are over the DUI standard, reminding them to observance the law and defend their individual transportation safety. 3、AUTOMATIC SHUTOFF: Breath alcohol tester has an energy saving, automatic shut off function that automatically shuts off after 5 seconds of completing the test to save power, powered by 2 AAA batteries for more than 200 tests. 4、LCD DISPLAY: The Alcohol tester has an LCD display that provides an intuitive and clear indication of the alcohol concentration value, allowing you to get accurate test results with a simple exhale, and it's easy to use at night. 5、SAFE DRIVING: Breath alcohol tester with lanyard, space saving and lightweight, pocket sized, allowing you to carry it anywhere, ensuring your safety while driving under the influence. Specifications Item Type: Alcohol Tester Material: ABS Weight: Approx. 34g / 1.2oz Battery: 2 AAA Batteries (Battery Not Included) Function: 1. Digital Display of Alcohol Concentration Results with Beeps 2. Quick Response and Recovery 3. Alarm Point Selectable 4. Automatic Shutdown Power Saving Function Package List 1 x Alcohol Tester (Battery Not Included) 1 x User Manual 1 x Lanyard