Portable Breath Alcohol Tester LCD Display Alcohol Breathalyzer Drunk Driving Tester Police Alcohol Checker Blowing Detection

Good luck with your favorite purchasesPortable Breath Alcohol Tester LCD Display Alcohol Breathalyzer Drunk Driving Tester Police Alcohol Checker Blowing Detection 1. For the first use, please prepare 3 no. 7 dry batteries（not included）, remove the battery cover, and install the battery cover on the battery cover before use. 2. Press the power button. 3."Preheat" for 1~10 seconds, the start-up goes into the preheating countdown for 10 seconds, please wait for the preheating time. 4. After preheating, the blow air detection countdown will be automatically entered for 6 seconds. Wait for the test results to be displayed. 5. Set the display unit: after completing the 2.3.4. operation, the display result appears within 5 seconds, and press once to switch the next measurement display unit (eg% BAC one American g / 1 one European mg/l BrAC one Japan). 6.Turn on the emergency LED light when the shutdown of the button to turn off the emergency LED light. Specifications ●product name：Alcohol tester ●Current：120mA ●Configure the battery：3 Battery # 7 (AAA 1.5V)【Not included】 ●Voltage：4.5V ●Use the temperature range：-5℃~45℃ ●Keep the temperature range：-20℃~50℃ ●Test method：Semiconductor gas sensor ●Range of alcohol concentration ：0-200mg/100mL ●Measuring object ：Alcohol concentration in the exhaled breath