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.

►1.The newly upgraded portable alcohol tester uses advanced aviation-grade semiconductor materials and a new C+ language calculation method to make the test results more accurate and the test results of 2 units cleare

►2.Lower than warning value: Make a "di" sound and the light will turn green.

►3.Between warning value and dangerous value: Make sound as "di di" and the light will turn yellow.

4.Higher than dangerous value: Make sound as "di di di..." for about 10 seconds.

►Package:►1.The newly upgraded portable alcohol tester uses advanced aviation-grade semiconductor materials and a new C+ language calculation method to make the test results more accurate and the test results of 2 units cleare