Feature:1. HIGH ACCURACY: Equipped with dual core processor for quick response speed, excellent sensor ensures accurate detection and reliable performance.2. 2 DETECTION MODES: The tester supports blowing mode and quick troubleshooting mode, with voice broadcasting function, and can store 50,000 test records.3. APPLICABLE RANGE: The measuring range is 0.0002.500mg/L, used for checking drunk driving, construction inspection, logistic, convoy, and coal mine, etc.4. BUILT IN BATTERY: This handheld tester has built in 2500mAh lithium battery to ensure long term use, and equipped with a USB cable for fast charging.5. CLEAR SCREEN: The drunk detector adopts a high definition screen, clear and intuitive, and quickly read data, greatly improving the check efficiency.Specification:Item Type: Drunk TesterMaterial: ABSBattery: 3.7V Lithium Ion Battery 2500mAh (built in battery)Measurement Range: 0.000mg/L-2.500mg/L (BrAC)Printing: Supports wireless Bluetooth external printingApplication: Widely used for checking drunk driving, post drinking inspection, construction inspection, logistics, convoys, construction sites, coal mines, etc..Package List:1 x Tester1 x Storage Bag1 x USB Cable5 x Blowing Pipes1 x User Manual