Breathalyzer professional digital display high accuracy portable breathalyzer with USB breathalyzer Feature: Lightweight and compact for easy carrying. Micro-matte process, delicate touch, can't put down. Two detection modes can meet the needs of different occasions: precision mode requires the installation of a blower, and the detection is more accurate; Quick check does not require a blower, which is suitable for many people to quickly check whether there is alcohol. Equipped with intelligent chips and high sensitivity sensors, the measurement is more accurate. Accurate values, large screen high resolution display, clear at a glance. The USB rechargeable lithium battery can be charged without frequent replacement battery. Specification: Display: 2.0 inch display with dazzling green light Detection range: 0.00-400mg/100ml Detection accuracy: plusmn; 10% (mg/100ml) Warm-up time: 10 seconds Induction time: 5 seconds Alarm function: when the alcohol content exceeds the standard, the red light will be on according to the left corner, and the buzzer will automatically alarm Battery power: 3.7V/200mAh lithium battery rechargeable Interface: Micro USB (5V/1A charging) Material: ABS Size: about 3.5x13.5x4cm Note: Due to the different monitor and light effect, the actual color of the item may be slightly different from the color shown in the pictures. Thank you! Please allow 1-2cm measurement deviation due to manual measurement. 1 x host 1 x user manual 1 x USB cable 4 x mouthpieces [Relateproductdetail/]