The alcohol test is a more accurate method than the urine strip test, and it is more convenient to test, you only need to breathe with a digital breath tester to avoid finger pricks, the device can be reused thousands of times, relatively speaking, than test strips A more economical portable breath tester that can be carried anywhere in your pocket; respirometer with 3 LED indications: green, amber (low battery), red (failed reading) Breath monitor easy Use, one-click operation, more reading details can be viewed on the detailed page Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to out all orders within three of purchase, and the estimated time is 8-60650 . When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it