Features:*High Quality Material: This product is made of high-quality material, which is wear-resistant and durable, not easy to break and can be used for a long time.*Easy to use: the alcohols tester is powered by 3 AAA batteries (not included), with digital display, easy to use.*Versatile: The alcohols tester is equipped with a high-precision alcohols sensor and can be widely used to test friends at bar and family member at house parties.*Portable: lightweight and compact, it can easily fit in your purse or pocket.*Wide Application: Suitable for weddings, parties, banquets or other social events, ensuring your safety while driving under influence.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Material: ABSSize: 10.3*6.5*2.7cmPower supply mode: 3*AAA batteries (not included)