Features: High accuracy ethanol Detection: Equipped with advanced sensors for accurate 0 0.95mg/L measurement at 0.01mg/L resolution, ensuring stable results for breath ethanol testing. not Contact Hygienic Design: Avoids direct mouth contact to prevent contagion , ideal for public spaces like pub and restaurants with safe breath analysis. fast LED Readout: digital display shows meter results within 10 seconds, visible in low light conditions for quick driving or workplace safety checks. Portable & Rechargeable: Compact 100x26.5x17.3mm ABS body weighs only 55g with USB charged battery for home, car, or travel use without frequent battery replacement. Data Memory Function: Stores 50 meter records to track individual ethanol consumption patterns, supporting responsible drinking habits management. Specifications: Component : ABS Size: about 100x26.5x17.3mm/4x1x0.7inch [Measurement ranges]: 0-0.95mg/l [Resolution]: 0.01mg/L [Measurement time]: 10 seconds [Battery used]: 3.7V 150mAh Type: English/Japanese(optional) Package Includes: 1xAlcohol Tester note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.