Test after at least 45 minutes after drinking.   When using precautions, must see! 

1 after drinking, it is advisable to wait 20 minutes before testing, because alcohol

Takes about 20 minutes in the blood of the digestive organs, and residual alcohol in it

The mouth takes time to expel.

2 to get a more accurate result, the distance must be at least three minutes between

Every test.

3 do not use benzene, gasoline and thinners cleaning product ingredients tester.

4, no liquid has penetrated the sensor.

5 to remind you, to you and the safety of others, do not drink and drive. For aviation safety reasons, this product delivery without battery Tips: To make more reliable record possible, advise that you need it Test after at least 45 minutes after drinking.  Our alcohol tester can precisely test your alcohol consumption, with a 0.00-0.19% BAC & 0.0-1.9g / l test range. After you drank, you can easily use it to test your alcohol Consumption to prevent drunk driving problems. It so easy to use; what you do is breathe On, and after 5 seconds it gives you the results. It is a brilliant gadget to stop you With too much, and so small that you can use it anywhere. The red LED backlight Will show you the test result clearly even in the dark.  Characteristics: . Brand new Digital Display Breath Alcohol Tester. Digital alcohol tester with audible alarm. Range: 0.00-0.19% BAC & 0.0-1.9g / l. Quick response and resume. Auto power off. Keychain. Red LED backlight. Perfect to fit in your pocket or bag. 

Accurate Specifications: . Colour black. Material: ABS. Backlight: Red LED. Accuracy: 0.01% BAC & 0.1g / l. Warm-up time: Less than 10 Sec. Response time: Less than 5 Sec. Test Range: 0.00-0.19% BAC & 0.0-1.9g / l. Working environment Temperature: 10-40 Celsius. Working environment Humidity: 40% -90%. Weight: 87.0g. Packaging Dimensions: 142.0x110.0x35.0mm. Packing: Graphic carton  Package Content: . 1 x Breath Alcohol Tester. 6 x Tips. 1 x Manual