NEW Breath Alcohol Analyzer Tester Digital Police Breathalyzer Test Description： Upgrade the LED high-definition digital display screen, and the drinking status will be displayed in three colors, making it clear whether there is alcohol or not at a glance ASIC efficient intelligent chip can test overnight alcohol C language algorithm, simple reading, stable anti-interference, and more accurate measurement When turned on, press and hold the button for two seconds. View the recorded data, display the ""record"" character, display the data serial number and corresponding concentration value. Short press the button to scroll up. If there is no action within 10 seconds, the display of OF flashes twice to shut down The three color lights and drunk alarm prompt indicate more clearly, and there is no need to worry about the numerical value or speculate whether drunk driving is the case Scientific filtration, alcohol retention, non-contact air blowing, health and hygiene Specification: Product name: High sensitivity alcohol tester Sensor type: semi conductor type sensor Display screen: LCD liquid crystal display screen Shell material: ABS plastic Test range: 0.000-0.199% BAC Measurement mode: Quick troubleshooting, automatic detection Measurement time: 20 seconds Power supply method: built-in rechargeable polymer lithium battery Using battery: 3.7V 120MAH Power supply: Type-c charging interface Working temperature: 0-45 ℃ Preheating time: 10 seconds Blowing time: 10 seconds (usually 3-4 seconds) Reaction time:<5 seconds Package includes: 1 * Alcohol tester 1 * Instructions Note: Due to the light and screen setting difference, colour may be slightly different from the pictures. Please allow slight dimension difference due to manual measurement.