Clear LCD Display: The digital alcohol tester features an HD LCD display that shows precise values, making the results clear and easy to read. High Precision Technology: Equipped with a high-precision chip and intelligent sensor, the high precision breathalyzer alcometer filters out other substances, leaving only alcohol for more accurate testing. Non-Contact Testing: The professional portable alcohol detector uses a breath detection method that does not require direct contact with a mouthpiece, ensuring a healthier measurement process. Voice Broadcast Function: The non-contact alcohol tester includes an upgraded voice broadcast feature that announces the test results, making them simple and straightforward to understand. Tri-Color Indicator Lights: The handheld digital breathalyzer uses three different color indicator lights to display test results at a glance. It also features a high-capacity lithium battery with a rechargeable design and an upgraded Type-C charging port. Specification: Voltage: 5V/1A Current: 150mA Rated power: 0.75W Battery: Built-in lithium battery (200mAh) Operating temperature range: -5-+45 Storage temperature range: -20-+50 Indicator light: green/yellow/red Measurement object: Alcohol concentration in exhalation Charging port: Type-C Charging time: 30 minutes Use time: 110 times Colour:black Material:ABS Package Contents: 1 * tester 1 * cable 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.