NOTIFICATIONS: 1. When in use, when the power button is pressed, the ?��WARM UP?�� digital display appears and the screen counts down (1-15 seconds). Then the ?��BLOW?�� digital display will appear and the screen will count down (1-9 seconds). When the digital display reads ?��00?��, start the blow test. 2. Blow for no less than 10 seconds until the measurement is accurately displayed on the LCD screen. Portable Breathalyzer Professional Breath Alcohol Tester LCD Display Detector for Drunk Driving Car Electronics Alcohol Test Specifications: Model: T05 alcohol tester. Sensor type: semiconductor sensor Display: LCD display (black and white) Test range: 0.00-0.19%BAC (0-1.9g/l) Measurement unit: mg/l (BrAC) mg/ml (BAC) Shell material: PC plastic Measurement Mode: Rapid Examination, Automatic Detection Measurement time: 20 seconds Power supply: Built-in rechargeable lithium polymer battery Battery: 3.7V 200MAH, can be continuously measured 150 times. Power adapter requirements: DC5V 1A Working temperature: 0-45?? Warm-up time: 10 seconds Blowing time: within 10 seconds, more than 4 seconds required Reaction time: less than 5 seconds Working current: 250MA (max) Standby current: less than 20UA Product Size: 100MM*28MM*16MM Product net/gross weight: 24.4g/52.g Product Size: 28*15.3*96.7mm Package Size: 11.4* 6.4*1.8cm Package includes: 1 x Portable alcohol tester Only the above package content, other products are not included. Note: 1. Conduct the test after drinking for at least 20 minutes, as it takes about 20 minutes for alcohol to be absorbed from the digestive system into the bloodstream. immediately after drinking, the test results can only reflect the current oral alcohol concentration,not the alcohol concentration in the bloodstream. 2. To ensure accurate test results, please wait for 20 minutes after drinking alcohol before conducting the test. lt is best to wait at least 3 minutes from the last test time. 3. Do not directly use chemicals or corrosive solvents to test the product, and avoid liquid flowing into the blowing tube. 4. When there is a high concentration of gas present, this machine cannot function properly 5.lf tested under low battery conditions, there is a certain deviation between the test value and the actual value. 6. lt is strictly prohibited to place and use in a closed environment with corrosive or air pollution such as pigments, pesticides, alcohol, etc. 7.Unauthorized repair and damage to internal parts can lead to product malfunction. 8. Prevent this machine from falling from a height or being subjected to severe vibrations.