Features 1、Portable and Easy-to-Use: The alcohol tester is designed with a digital LCD display and three-color test indicator lights, which can read the results quickly and intuitively, and supports nearly 50 history inquiries with voice announcements. It is compact and can be carried around, convenient for testing on the go. 2、Accurate and Reliable: Equipped with an intelligent chip and a highly sensitive sensor, the tester provides accurate measurements. It supports multiple unit conversions including g/L, %BAC, and mg/L, ensuring accurate readings every time. 3、Built-in Purification Chamber: It features a built-in purification chamber that filters out impurities, allowing for more accurate alcohol concentration testing. This innovative design ensures that the results closely reflect bloods alcohol concentration. 4、Hygienic and Convenient: The breath alcohol detector adopts a blow-through testing method, which can be easily done by replacing the mouthpiece. This not only prevents bacterialgrowth but also provides a quick and hassle-free testing experience. The package includes 5 interchangeable mouthpieces for your convenience. 5、Durable and Versatile: Made of high-strength ABS material, it is sturdy and durable, with nice resistance to impact and falls. It also comes with a red lasers light, which can be used as an emergency signal light. Powered by 3*AAA battery (not included), it can be easily replaced during travel when the battery runs out. Specification Features: Portable and Easy-to-Use: The alcohol tester is designed with a digital LCD display and three-color test indicator lights, which can read the results quickly and intuitively, and supports nearly 50 history inquiries with voice announcements. It is compact and can be carried around, convenient for testing on the go. Accurate and Reliable: Equipped with an intelligent chip and a highly sensitive sensor, the tester provides accurate measurements. It supports multiple unit conversions including g/L, %BAC, and mg/L, ensuring accurate readings every time. Built-in Purification Chamber: It features a built-in purification chamber that filters out impurities, allowing for more accurate alcohol concentration testing. This innovative design ensures that the results closely reflect bloods alcohol concentration. Hygienic and Convenient: The breath alcohol detector adopts a blow-through testing method, which can be easily done by replacing the mouthpiece. This not only prevents bacterialgrowth but also provides a quick and hassle-free testing experience. The package includes 5 interchangeable mouthpieces for your convenience. Durable and Versatile: Made of high-strength ABS material, it is sturdy and durable, with nice resistance to impact and falls. It also comes with a red lasers light, which can be used as an emergency signal light. Powered by 3*AAA battery (not included), it can be easily replaced during travel when the battery runs out. Specifications: Color: Black Material: ABS Display: LCD Screen Breath Alcohol Concentration Measurement Ranges: 0-200mg/100ml Power: 3 * AAA Battery(Not Included) Voltage: 4.5V Current: 120mA Working Temperature: -5~45℃ Storage Temperature: -20~50℃ Item Size: 120 * 55.5 * 17mm/ 4.7 * 2.2 * 0.7in Item Weight: 53g/ 1.9oz Package Size: 162 * 71 * 33mm/ 6.4 * 2.8 * 1.3in Package Weight: 83g/ 2.9oz Packing List: 1 * Alcohol Tester 5 * Mouthpiece 1 * User's Manual Package List 1 * Alcohol Tester 5 * Mouthpiece 1 * User's Manual