It adopts advanced alcohol detection technology, which can provide you with accurate alcohol content values in an instant.Built in camera, while detecting alcohol, records every important moment for you.Equipped with a memory card, there is no need to worry about insufficient storage space. It can save measurement data for a long time, making it convenient for you to access and review it at any time.The combination of camera and memory card not only provides you with more functions, but also achieves multiple upgrades in terms of security. At critical moments, these records can serve as strong evidence to safeguard your rights.The appearance design is simple and elegant, and the operation is easy to understand.Whether you are at a family gathering, business gathering, or at work, you can easily undergo alcohol testing and record keeping