Product sellpoints: LCD Display:Features a clear LCD display for easy, instant readings on your breath alcohol level. No Contact Required:Advanced technology ensures no contact with the mouthpiece, enhancing hygiene. Portable Design:Compact and lightweight, this Alcohol Tester is ideal for on-the-go use. Professional Electronic:This Professional Electronic Alcohol Tester offers reliable, accurate results. Easy Operation:Simple to use, the Digital Breath Alcohol Tester requires minimal setup. Features: High-precision measurement: The built-in induction chip can measure the alcohol content in the exhaled breath of the human body with high precision, accurately distinguish different degrees of drinking status, and provide a reliable basis for judging whether to drink or drive. The result display is intuitive: LCD digital display with 3-color indicator light, green means no drinking, yellow means drinking, red means drunk, the test result is clear at a glance, which is convenient for users to quickly judge. Portable and easy to operate: The instrument is small in size and easy to carry, whether it is traffic police law enforcement or personal self-inspection, it can be easily used. The operation is simple and easy to understand, just follow the prompts to blow the operation. Alarm reminder function: When drinking and drunk driving are detected, an alarm sound will be emitted to remind the user and the surrounding personnel in time, which enhances the warning effect and effectively avoids drunk driving. Long battery life: USB rechargeable, long battery life after a full charge of the large-capacity lithium battery. Specification: Measurement method: breath alcohol detector Sensor Type: Semiconductor Gas Sensor Operating voltage: 3.7V Indicator light: green for no drinking, yellow for drinking, red for drunk Charging port: Type-C Battery: Built-in lithium battery (200mAH) Rated power: 0.6W Charging input: 5V1A Charging time: 30min preheating time: 15S Audio (language): Chinese/English/Japanese/Russian Net weight: 22g Product size: 60 33 18.2mm Package includes: 1 x Alcohol Detector 1 x charging cable 1 x Instruction Manual