High-Level Accuracy: Our breathalyzer is equipped with advanced sensor technology to deliver reliable BAC results. This professional-grade alcohol tester helps monitor blood alcohol levels to support responsible driving. For optimal accuracy, wait 20 minutes after drinking before using the device. Maintain a 2-3 minute interval between tests. Ease of Use: This pocket-sized breathalyzer is simple to operate. Insert two AAA batteries (not included), press the power button to start, and press the middle button to enter alcohol testing mode. After a 20-second warm-up, the device displays results on the LCD screen within 3 seconds of blowing. Wireless Bluetooth Connectivity: The device supports real-time data upload and efficient cloud management, allowing you to track your BAC levels remotely. Hygienic Non-Contact Testing: Designed for hygiene, this breathalyzer uses a non-contact blowing method, reducing the risk of contamination compared to traditional contact testing. Compact and Portable: Small and lightweight, this breathalyzer is easy to carry in a purse or pocket, making it convenient for use at weddings, parties, banquets, and other social events. Size: 7 x 4 cm Material: Plastic Color: White Package Contents: 1 x Breathalyzer Note: Light reflection and differences in display screens may cause slight variations in color appearance. Measurement may vary by +/- 1-3 cm.