Features High Accuracy Detection - Equipped with advanced semiconductor sensors, this device delivers quick and precise results for reliable breath analysis Long-Lasting Battery Life - Operates on 2 AAA batteries (not included), allowing for over 200 tests before needing a replacement, with an auto-shutoff feature for convenience User-Friendly LCD Display - Features a large digital screen with an orange backlight, ensuring easy readability even in low-light conditions for nighttime use Compact and Portable Design - Lightweight and easy to hold, this breath tester is designed for on-the-go convenience, making it ideal for travel and storage Versatile Usage Scenarios - Perfect for both home testing and traffic situations, helping users avoid drunk driving and promoting safer driving practices Features: 1、HIGH ACCURACY: The breath tester uses semiconductor sensors to quickly obtain detection results, with high accuracy and sensitivity. 2、BATTERY POWERED: Powered by 2pcs AAA batteries (not included), can be tested more than 200 times, automatically shuts down after 5s of testing. 3、LCD DISPLAY: This breath detector comes with a large LCD digital screen, with orange background light, making it easy to use at night. 4、PORTABLE DESIGN: The digital breath tester is portable design, comfortable to hold, easy to carry, space saving, convenient and practical. 5、APPLICABLE SCENE: This portable breath tester is suitable for home or traffic use, effectively avoiding drunk driving, ensuring driving security. Specification: Item Type: Breath Tester Measurement Range: 0.000-0.199%BAC 0.000-1.999‰BAC 0.000-1.999g/l 0.000-0.995mg/l 0-199mg per 100ml 0.000-1.999‰Prom Alarm Level: 0.05%BAC; 0.5‰BAC; 0.5g/l; 0.25mg/l; 50mg/100ml; 0.5‰Prom Accuracy: ±0.01%BAC; ±0.1‰BAC; ±0.05mg/l Blowing Time: 5 Seconds Battery: 2 x 1.5V AAA Battery (battery not included) Package List: 1 x Breath Tester Package List 1 x Breath Tester