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 effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABS Size: 10.3*6.5*2.7cm Power supply mode: 3*AAA batteries (not included) Package List: 1 x Breath Alcohols Tester or 10PCS x Blowing Nozzle