This is a non-contact, blow-in alcohol tester without a mouthpiece, which is more hygienic and healthy, and more environmentally friendly when recycled. The alcohol tester uses advanced technology and is equipped with a highly sensitive AI sensor that can test overnight alcohol. Our alcohol tester is equipped with a high-resolution LED display, which has excellent clarity and visibility under all lighting conditions compared to standard LCD screens. Its energy-saving design ensures clear readings even in strong sunlight, and is capable of operating in extreme temperatures as low as -40. Our tester has a quadruple purification system that scientifically filters out all substances except alcohol. This dedicated purification chamber significantly reduces the possibility of false alarms by eliminating other impurities, ensuring the highest accuracy of alcohol detection. Our alcohol tester has a data memory function that can store up to 50 historical records. Long press the minus key for 2 seconds to view the recorded value, and can record the latest 50 data. This feature is very useful for long-term monitoring of your alcohol intake or professional use. Built-in lithium battery, TYPE-C interface charging, this feature not only makes the device environmentally friendly, but also provides a long service life and reliable power supply, ensuring it is available at any time. Colour:Black Material:ABS Package Contents: 1 * Breath alcohol tester 1 * USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.