Features: Adopt non-contact blowing design to make the measurement safer and healthier. Built-in high precision chip and intelligent sensor for more accurate measurement. The quality of alcohol is higher and it will flow downward, the impurities are automatically discharged, and the detection is more accurate. LED high contrast display screen, simple and easy to read accurate values. Equipped with three-color detection indicator light, the test results are clear at a glance, red represents drunken state, orange represents drinking state, green represent non-drinking state. Dustproof baffle and switch integration design, up sliding for dustproof, down sliding to start detection. Specification: Type: Portable alcohol detector Color: Black/White/Blue(optional) Data unit: %BAC, mg/ml(optional) Material: ABS Display screen: LED Charging port: Type-C Battery capacity: 200mAh Charging input: 5V/1A Item size: 10.1 * 2.7 * 1.5cm /3.98 * 1.06 * 0.59in Packing list: 1 * Detector 1 * Charging cable 1 * User manual