For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

Start the test 20 minutes after drinking, use the alcohol tester, press the switch key for 1 second, after the "drip" sound, the tester's LCD screen will be activated.

After the Warm up is over, the Blow logo appears on the display. In this mode, the countdown starts from 10 to 00

If the alcohol concentration ranges from 0.02% BAC (0.2g/l) to 0.05% BAC (0.5g/l), the warning "caution" sign will appear; if the alcohol concentration range is ≥0.05% BAC (0.5g/l), the warning " The Danger logo will appear with a beep!

Blood alcohol concentration shows automatic shutdown after 10 seconds.

If you have any questions or questions, please feel free to contact us, we will reply you within 24 hours